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C# Examples and FAQs

A curated collection of common C# examples and frequently asked questions.
Explore practical code snippets, explanations, and tips for solving everyday C# programming challenges.
Perfect for both beginners and experienced developers looking for clear, concise answers and examples.

1.

How to Resolve Error "CS0001: Internal compiler error" in C#

2.

How to Resolve Error "CS0003: Out of memory" in C#

3.

How to Resolve Error "CS0004: Warning treated as error" in C#

4.

How to Resolve Error "CS0005: Compiler option 'compiler_option' must be followed by an argument" in C#

5.

How to Resolve Error "CS0006: Metadata file 'dll_name' could not be found" in C#

6.

How to Resolve Error "CS0007: Unexpected common language runtime initialization error" in C#

7.

How to Resolve Error "CS0008: Unexpected error reading metadata from file 'filename' - 'description'" in C#

8.

How to Resolve Error "CS0009: Metadata file 'file' could not be opened - 'description'" in C#

9.

How to Resolve Error "CS0010: Unexpected fatal error" in C#

10.

How to Resolve Error "CS0011: The base class or interface 'class' in assembly 'assembly' referenced by type 'type' could not be resolved" in C#

11.

How to Resolve Error "CS0012: The type 'type' is defined in an assembly that is not referenced" in C#

12.

How to Resolve Error "CS0013: Unexpected error writing metadata to file 'ModelStore.dll' - 'No logical space left to create more user strings'" in C#

13.

How to Resolve Error "CS0014: Required file 'filename' could not be found" in C#

14.

How to Resolve Error "CS0015: The name of type 'type' is too long" in C#

15.

How to Resolve Error "CS0016: Could not write to output file 'file' -- 'reason'" in C#

16.

How to Resolve Error "CS0017: Program has more than one entry point defined" in C#

17.

How to Resolve Error "CS0019: Operator 'operator' cannot be applied to operands of type 'type1' and 'type2'" in C#

18.

How to Resolve Error "CS0020: Division by constant zero" in C#

19.

How to Resolve Error "CS0021: Cannot apply indexing with [] to an expression of type 'type'" in C#

20.

How to Resolve Error "CS0022: Wrong number of indices inside []; expected 'number'" in C#

21.

How to Resolve Error "CS0023: Operator 'operator' cannot be applied to operand of type 'type'" in C#

22.

How to Resolve Error "CS0025: Standard library file 'file' could not be found" in C#

23.

How to Resolve Error "CS0026: Keyword 'this' is not valid in a static property, static method, or static field initializer" in C#

24.

How to Resolve Error "CS0027: Keyword 'this' is not available in the current context" in C#

25.

How to Resolve Error "CS0029: Cannot implicitly convert type 'type' to 'type'" in C#

26.

How to Resolve Error "CS0030: Cannot convert type 'type' to 'type'" in C#

27.

How to Resolve Error "CS0031: Constant value 'value' cannot be converted to a 'type'" in C#

28.

How to Resolve Error "CS0034: Operator is ambiguous on operands of type 'type1' and 'type2'" in C#

29.

How to Resolve Error "CS0035: Operator 'operator' is ambiguous on an operand of type 'type'" in C#

30.

How to Resolve Error "CS0036: An out parameter cannot have the In attribute" in C#

31.

How to Resolve Error "CS0037: Cannot convert null to 'type' because it is a non-nullable value type" in C#

32.

How to Resolve Error "CS0038: Cannot access a nonstatic member of outer type 'type1' via nested type 'type2'" in C#

33.

How to Resolve Error "CS0039: Cannot convert type 'type1' to 'type2' via a reference conversion, boxing conversion, unboxing conversion, wrapping conversion, or null type conversion" in C#

34.

How to Resolve Error "CS0040: Unexpected error creating debug information file" in C#

35.

How to Resolve Error "CS0041: Unexpected error writing debug information" in C#

36.

How to Resolve Error "CS0042: Unexpected error creating debug information file 'file' - 'reason'" in C#

37.

How to Resolve Error "CS0043: PDB file 'file' has an incorrect or out-of-date format" in C#

38.

How to Resolve Error "CS0050: Inconsistent accessibility: return type 'type' is less accessible than method 'method'" in C#

39.

How to Resolve Error "CS0051: Inconsistent accessibility: parameter type 'type' is less accessible than method 'method'" in C#

40.

How to Resolve Error "CS0052: Inconsistent accessibility: field type 'type' is less accessible than field 'field'" in C#

41.

How to Resolve Error "CS0053: Inconsistent accessibility: property type 'type' is less accessible than property 'property'" in C#

42.

How to Resolve Error "CS0054: Inconsistent accessibility: indexer return type 'type' is less accessible than indexer 'indexer'" in C#

43.

How to Resolve Error "CS0055: Inconsistent accessibility: parameter type 'type' is less accessible than indexer 'indexer'" in C#

44.

How to Resolve Error "CS0056: Inconsistent accessibility: return type 'type' is less accessible than operator 'operator'" in C#

45.

How to Resolve Error "CS0057: Inconsistent accessibility: parameter type 'type' is less accessible than operator 'operator'" in C#

46.

How to Resolve Error "CS0058: Inconsistent accessibility: return type 'type' is less accessible than delegate 'delegate'" in C#

47.

How to Resolve Error "CS0059: Inconsistent accessibility: parameter type 'type' is less accessible than delegate 'delegate'" in C#

48.

How to Resolve Error "CS0060: Inconsistent accessibility: base class 'Class1' is less accessible than class 'Class2'" in C#

49.

How to Resolve Error "CS0061: Inconsistent accessibility: base interface 'interface 1' is less accessible than interface 'interface 2'" in C#

50.

How to Resolve Error "CS0065: event property must have both add and remove accessors" in C#

51.

How to Resolve Error "CS0066: 'event': event must be of a delegate type" in C#

52.

How to Resolve Error "CS0068: 'event': event in interface cannot have initializer" in C#

53.

How to Resolve Error "CS0069: An event in an interface cannot have add or remove accessors" in C#

54.

How to Resolve Error "CS0070: The event 'event' can only appear on the left hand side of += or -=" in C#

55.

How to Resolve Error "CS0071: An explicit interface implementation of an event must use event accessor syntax" in C#

56.

How to Resolve Error "CS0072: 'event' : cannot override; 'method' is not an event" in C#

57.

How to Resolve Error "CS0073: An add or remove accessor must have a body" in C#

58.

How to Resolve Error "CS0074: 'event': abstract event cannot have initializer" in C#

59.

How to Resolve Error "CS0075: To cast a negative value, you must enclose the value in parentheses" in C#

60.

How to Resolve Error "CS0076: The enumerator name 'value__' is reserved and cannot be used" in C#

61.

How to Resolve Error "CS0077: The as operator must be used with a reference type or nullable type" in C#

62.

How to Resolve Error "CS0079: The event 'event' can only appear on the left hand side of += or -=" in C#

63.

How to Resolve Error "CS0080: Constraints are not allowed on non-generic declarations" in C#

64.

How to Resolve Error "CS0081: Type parameter declaration must be an identifier not a type" in C#

65.

How to Resolve Error "CS0082: Type 'type' already reserves a member called 'name' with the same parameter types" in C#

66.

How to Resolve Error "CS0100: The parameter name 'name' is a duplicate" in C#

67.

How to Resolve Error "CS0101: The namespace 'namespace' already contains a definition for 'type'" in C#

68.

How to Resolve Error "CS0102: The type 'type name' already contains a definition for 'identifier'" in C#

69.

How to Resolve Error "CS0103: The name 'name' does not exist in the current context" in C#

70.

How to Resolve Error "CS0104: 'reference' is an ambiguous reference between 'identifier' and 'identifier'" in C#

71.

How to Resolve Error "CS0105: The using directive for 'namespace' appeared previously in this namespace" in C#

72.

How to Resolve Error "CS0106: The modifier is not valid for this item" in C#

73.

How to Resolve Error "CS0107: More than one protection modifier" in C#

74.

How to Resolve Error "CS0110: The evaluation of the constant value involves a circular definition" in C#

75.

How to Resolve Error "CS0111: Type 'type' already defines a member called 'name' with the same parameter types" in C#

76.

How to Resolve Error "CS0112: A static member cannot be marked as override, virtual or abstract" in C#

77.

How to Resolve Error "CS0113: A member marked as override cannot be marked as new or virtual" in C#

78.

How to Resolve Error "CS0115: 'function' : no suitable method found to override" in C#

79.

How to Resolve Error "CS0116: A namespace cannot directly contain members such as fields, methods or statements" in C#

80.

How to Resolve Error "CS0117: 'type' does not contain a definition for 'identifier'" in C#

81.

How to Resolve Error "CS0118: 'name' is a 'construct1' but is used like a 'construct2'" in C#

82.

How to Resolve Error "CS0119: 'name' is a 'construct', which is not valid in the given context" in C#

83.

How to Resolve Error "CS0120: An object reference is required for the non-static field, method, or property" in C#

84.

How to Resolve Error "CS0121: The call is ambiguous between the following methods or properties" in C#

85.

How to Resolve Error "CS0122: 'member' is inaccessible due to its protection level" in C#

86.

How to Resolve Error "CS0123: No overload for 'method' matches delegate 'delegate'" in C#

87.

How to Resolve Error "CS0126: An object of a type convertible to 'type' is required" in C#

88.

How to Resolve Error "CS0127: Since 'function' returns void, a return keyword must not be followed by an object expression" in C#

89.

How to Resolve Error "CS0128: A local variable named 'variable' is already defined in this scope" in C#

90.

How to Resolve Error "CS0131: The left-hand side of an assignment must be a variable, property or indexer" in C#

91.

How to Resolve Error "CS0132: 'constructor' : a static constructor must be parameterless" in C#

92.

How to Resolve Error "CS0133: The expression being assigned to 'variable' must be constant" in C#

93.

How to Resolve Error "CS0134: A const field of a reference type other than string can only be initialized with null" in C#

94.

How to Resolve Error "CS0135: 'declaration1' conflicts with the declaration 'declaration2'" in C#

95.

How to Resolve Error "CS0136: A local variable named 'var' cannot be declared in this scope" in C#

96.

How to Resolve Error "CS0138: A 'using namespace' directive can only be applied to namespaces" in C#

97.

How to Resolve Error "CS0139: No enclosing loop out of which to break or continue" in C#

98.

How to Resolve Error "CS0140: The label 'label' is a duplicate" in C#

99.

How to Resolve Error "CS0143: The type 'type' has no constructors defined" in C#

100.

How to Resolve Error "CS0144: Cannot create an instance of the abstract class or interface" in C#

101.

How to Resolve Error "CS0145: A const field requires a value to be provided" in C#

102.

How to Resolve Error "CS0146: Circular base class dependency involving 'class1' and 'class2'" in C#

103.

How to Resolve Error "CS0148: The delegate 'delegate' does not have a valid constructor" in C#

104.

How to Resolve Error "CS0149: Method name expected" in C#

105.

How to Resolve Error "CS0150: A constant value is expected" in C#

106.

How to Resolve Error "CS0151: A switch expression or case label must be a bool, char, string, integral, enum, or corresponding nullable type" in C#

107.

How to Resolve Error "CS0152: The label 'label' already occurs in this switch statement" in C#

108.

How to Resolve Error "CS0153: A goto case is only valid inside a switch statement" in C#

109.

How to Resolve Error "CS0154: The property or indexer cannot be used in this context because it lacks the get accessor" in C#

110.

How to Resolve Error "CS0155: The type caught or thrown must be derived from System.Exception" in C#

111.

How to Resolve Error "CS0156: A throw statement with no arguments is not allowed outside of a catch clause" in C#

112.

How to Resolve Error "CS0157: Control cannot leave the body of a finally clause" in C#

113.

How to Resolve Error "CS0158: The label 'label' shadows another label by the same name in a contained scope" in C#

114.

How to Resolve Error "CS0159: No such label 'label' within the scope of the goto statement" in C#

115.

How to Resolve Error "CS0160: A previous catch clause already catches all exceptions of this or of a super type" in C#

116.

How to Resolve Error "CS0161: 'method': not all code paths return a value" in C#

117.

How to Resolve Error "CS0163: Control cannot fall through from one case label ('label') to another" in C#

118.

How to Resolve Error "CS0165: Use of unassigned local variable 'name'" in C#

119.

How to Resolve Error "CS0167: The delegate 'delegate' is missing the Invoke method" in C#

120.

How to Resolve Error "CS0170: Use of possibly unassigned field 'field'" in C#

121.

How to Resolve Error "CS0171: Field must be fully assigned before control is returned to the caller" in C#

122.

How to Resolve Error "CS0172: Type of conditional expression cannot be determined" in C#

123.

How to Resolve Error "CS0173: Type of conditional expression cannot be determined because there is no implicit conversion" in C#

124.

How to Resolve Error "CS0174: A base class is required for a 'base' reference" in C#

125.

How to Resolve Error "CS0175: Use of keyword 'base' is not valid in this context" in C#

126.

How to Resolve Error "CS0176: Static member cannot be accessed with an instance reference" in C#

127.

How to Resolve Error "CS0177: The out parameter 'parameter' must be assigned to before control leaves the current method" in C#

128.

How to Resolve Error "CS0178: Invalid rank specifier: expected ',' or ']'" in C#

129.

How to Resolve Error "CS0179: 'member' cannot be extern and declare a body" in C#

130.

How to Resolve Error "CS0180: 'member' cannot be both extern and abstract" in C#

131.

How to Resolve Error "CS0181: Attribute constructor parameter has type, which is not a valid attribute parameter type" in C#

132.

How to Resolve Error "CS0182: An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type" in C#

133.

How to Resolve Error "CS0185: 'type' is not a reference type as required by the lock statement" in C#

134.

How to Resolve Error "CS0186: Use of null is not valid in this context" in C#

135.

How to Resolve Error "CS0188: The 'this' object cannot be used before all of its fields have been assigned" in C#

136.

How to Resolve Error "CS0190: The __arglist construct is valid only within a variable argument method" in C#

137.

How to Resolve Error "CS0191: A readonly field cannot be assigned to" in C#

138.

How to Resolve Error "CS0192: A readonly field cannot be used as a ref or out value" in C#

139.

How to Resolve Error "CS0193: The * or -> operator must be applied to a pointer" in C#

140.

How to Resolve Error "CS0196: A pointer must be indexed by only one value" in C#

141.

How to Resolve Error "CS0198: A static readonly field cannot be assigned to" in C#

142.

How to Resolve Error "CS0199: A static readonly field cannot be used as a ref or out value" in C#

143.

How to Resolve Error "CS0200: Property or indexer 'property' cannot be assigned to" in C#

144.

How to Resolve Error "CS0201: Only assignment, call, increment, decrement, await, and new object expressions can be used as a statement" in C#

145.

How to Resolve Error "CS0202: foreach requires that the return type 'type' of 'type.GetEnumerator()' must have a suitable public MoveNext method and public Current property" in C#

146.

How to Resolve Error "CS0204: Only 65534 locals, including those generated by the compiler, are allowed" in C#

147.

How to Resolve Error "CS0205: Cannot call an abstract base member: 'method'" in C#

148.

How to Resolve Error "CS0206: A non ref-returning property or indexer may not be used as an out or ref value" in C#

149.

How to Resolve Error "CS0208: Cannot take the address of, get the size of, or declare a pointer to a managed type" in C#

150.

How to Resolve Error "CS0209: The type of a local declared in a fixed statement must be a pointer type" in C#

151.

How to Resolve Error "CS0210: You must provide an initializer in a fixed or using statement declaration" in C#

152.

How to Resolve Error "CS0211: Cannot take the address of the given expression" in C#

153.

How to Resolve Error "CS0212: You can only take the address of an unfixed expression inside of a fixed statement initializer" in C#

154.

How to Resolve Error "CS0213: You cannot use the fixed statement to take the address of an already fixed expression" in C#

155.

How to Resolve Error "CS0214: Pointers and fixed size buffers may only be used in an unsafe context" in C#

156.

How to Resolve Error "CS0215: The return type of operator True or False must be bool" in C#

157.

How to Resolve Error "CS0216: The operator A requires a matching operator B to also be defined" in C#

158.

How to Resolve Error "CS0217: In order to be applicable as a short circuit operator, a user-defined logical operator must have the same return type and parameter types" in C#

159.

How to Resolve Error "CS0218: In order to be applicable as a short circuit operator, its declaring type must define operator true and operator false" in C#

160.

How to Resolve Error "CS0220: The operation overflows at compile time in checked mode" in C#

161.

How to Resolve Error "CS0221: Constant value 'value' cannot be converted to a 'type' (use 'unchecked' syntax to override)" in C#

162.

How to Resolve Error "CS0224: A method with vararg cannot be generic, be in a generic type, or have a params parameter" in C#

163.

How to Resolve Error "CS0225: The params parameter must have a valid collection type" in C#

164.

How to Resolve Error "CS0226: An '__arglist' expression may only appear inside of a call or new expression" in C#

165.

How to Resolve Error "CS0227: Unsafe code may only appear if compiling with /unsafe" in C#

166.

How to Resolve Error "CS0228: 'type' does not contain a definition for 'member', or it is not accessible" in C#

167.

How to Resolve Error "CS0229: Ambiguity between 'member1' and 'member2'" in C#

168.

How to Resolve Error "CS0230: Type and identifier are both required in a foreach statement" in C#

169.

How to Resolve Error "CS0231: A params parameter must be the last parameter in a formal parameter list" in C#

170.

How to Resolve Error "CS0233: 'identifier' does not have a predefined size, therefore sizeof can only be used in an unsafe context" in C#

171.

How to Resolve Error "CS0234: The type or namespace name does not exist in the namespace" in C#

172.

How to Resolve Error "CS0236: A field initializer cannot reference the non-static field, method, or property" in C#

173.

How to Resolve Error "CS0238: 'member' cannot be sealed because it is not an override" in C#

174.

How to Resolve Error "CS0239: 'member' : cannot override inherited member 'inherited member' because it is sealed" in C#

175.

How to Resolve Error "CS0241: Default parameter specifiers are not permitted" in C#

176.

How to Resolve Error "CS0242: The operation in question is undefined on void pointers" in C#

177.

How to Resolve Error "CS0243: The Conditional attribute is not valid on 'method' because it is an override method" in C#

178.

How to Resolve Error "CS0244: Neither 'is' nor 'as' is valid on pointer types" in C#

179.

How to Resolve Error "CS0245: Destructors and object.Finalize cannot be called directly" in C#

180.

How to Resolve Error "CS0246: The type or namespace name could not be found (are you missing a using directive or an assembly reference?)" in C#

181.

How to Resolve Error "CS0247: Cannot use a negative size with stackalloc" in C#

182.

How to Resolve Error "CS0248: Cannot create an array with a negative size" in C#

183.

How to Resolve Error "CS0249: Do not override object.Finalize. Instead, provide a destructor." in C#

184.

How to Resolve Error "CS0250: Do not directly call your base type Finalize method" in C#

185.

How to Resolve Error "CS0251: Indexing an array with a negative index" in C#

186.

How to Resolve Error "CS0254: The right hand side of a fixed statement assignment may not be a cast expression" in C#

187.

How to Resolve Error "CS0255: stackalloc may not be used in a catch or finally block" in C#

188.

How to Resolve Error "CS0257: An '__arglist' parameter must be the last parameter in a parameter list" in C#

189.

How to Resolve Error "CS0260: Missing partial modifier on declaration of type; another partial declaration of this type exists" in C#

190.

How to Resolve Error "CS0261: Partial declarations of type must be all classes, all structs, or all interfaces" in C#

191.

How to Resolve Error "CS0262: Partial declarations of type have conflicting accessibility modifiers" in C#

192.

How to Resolve Error "CS0263: Partial declarations of type must not specify different base classes" in C#

193.

How to Resolve Error "CS0264: Partial declarations of type must have the same type parameter names in the same order" in C#

194.

How to Resolve Error "CS0265: Partial declarations of type have inconsistent constraints for type parameter" in C#

195.

How to Resolve Error "CS0266: Cannot implicitly convert type 'type1' to 'type2'" in C#

196.

How to Resolve Error "CS0267: The 'partial' modifier can only appear immediately before 'class', 'record', 'struct', 'interface', 'event', an instance constructor name, or a method or property return type." in C#

197.

How to Resolve Error "CS0268: Imported type 'type' is invalid. It contains a circular base class dependency." in C#

198.

How to Resolve Error "CS0269: Use of unassigned out parameter 'parameter'" in C#

199.

How to Resolve Error "CS0270: Array size cannot be specified in a variable declaration" in C#

200.

How to Resolve Error "CS0271: The property or indexer cannot be used in this context because the get accessor is inaccessible" in C#

201.

How to Resolve Error "CS0272: The property or indexer cannot be used because the set accessor is inaccessible" in C#

202.

How to Resolve Error "CS0273: The accessibility modifier of the accessor must be more restrictive than the property" in C#

203.

How to Resolve Error "CS0274: Cannot specify accessibility modifiers for both accessors of the property or indexer" in C#

204.

How to Resolve Error "CS0275: Accessibility modifiers may not be used on accessors in an interface" in C#

205.

How to Resolve Error "CS0276: Accessibility modifiers on accessors may only be used if the property has both a get and a set accessor" in C#

206.

How to Resolve Error "CS0277: Member does not implement interface member because it is not public" in C#

207.

How to Resolve Error "CS0281: Friend access was granted to 'AssemblyName1', but the output assembly is named 'AssemblyName2'" in C#

208.

How to Resolve Error "CS0283: The type 'type' cannot be declared const" in C#

209.

How to Resolve Error "CS0304: Cannot create an instance of the variable type 'type' because it does not have the new() constraint." in C#

210.

How to Resolve Error "CS0305: Using the generic type 'type' requires 'number' type arguments" in C#

211.

How to Resolve Error "CS0306: The type 'type' may not be used as a type argument" in C#

212.

How to Resolve Error "CS0307: The 'construct' 'identifier' is not a generic method" in C#

213.

How to Resolve Error "CS0308: The non-generic type-or-method cannot be used with type arguments" in C#

214.

How to Resolve Error "CS0310: The type 'typename' must be a non-abstract type with a public parameterless constructor" in C#

215.

How to Resolve Error "CS0311: The type 'MyType' cannot be used as type parameter 'T' in the generic type or method 'MyGeneric<T>'. There is no implicit reference conversion from 'MyType' to 'ConstraintType'" in C#

216.

How to Resolve Error "CS0312: The type 'int?' cannot be used as type parameter 'T' in the generic type or method 'MyClass<T>'. The nullable type 'int?' does not satisfy the constraint of 'struct'" in C#

217.

How to Resolve Error "CS0313: The nullable type 'type1' does not satisfy the constraint of 'type2'" in C#

218.

How to Resolve Error "CS0314: The type 'Type1' cannot be used as type parameter 'T' in the generic type or method 'Method'. There is no boxing conversion or type parameter conversion from 'Type1' to 'Type2'" in C#

219.

How to Resolve Error "CS0315: The type 'int?' (or other value type) cannot be used as type parameter 'T' in the generic type or method 'MyMethod<T>'. There is no boxing conversion from 'int?' to 'MyClass'" in C#

220.

How to Resolve Error "CS0316: The parameter name 'name' conflicts with an automatically-generated parameter name" in C#

221.

How to Resolve Error "CS0400: The type or namespace name 'Name' could not be found in the global namespace (are you missing an assembly reference?)" in C#

222.

How to Resolve Error "CS0401: The new() constraint must be the last restrictive constraint specified" in C#

223.

How to Resolve Error "CS0403: Cannot convert null to type parameter 'name' because it could be a non-nullable value type" in C#

224.

How to Resolve Error "CS0405: Duplicate constraint 'constraint' for type parameter 'type parameter'" in C#

225.

How to Resolve Error "CS0406: The class type constraint 'constraint' must come before any other constraints" in C#

226.

How to Resolve Error "CS0407: 'MethodName' has the wrong return type" in C#

227.

How to Resolve Error "CS0409: A constraint clause has already been specified for type parameter" in C#

228.

How to Resolve Error "CS0410: No overload for 'MethodName' has the correct parameter and return types" in C#

229.

How to Resolve Error "CS0411: The type arguments for method 'MethodName' cannot be inferred from the usage. Try specifying the type arguments explicitly." in C#

230.

How to Resolve Error "CS0412: 'parameter': a parameter, local variable, or local function cannot have the same name as a method type parameter" in C#

231.

How to Resolve Error "CS0413: The type parameter 'T' cannot be used with the 'as' operator because it does not have a class type constraint nor a 'class' constraint" in C#

232.

How to Resolve Error "CS0415: The 'IndexerName' attribute is valid only on an indexer that is not an explicit interface member declaration" in C#

233.

How to Resolve Error "CS0416: 'type parameter': an attribute argument cannot use type parameters" in C#

234.

How to Resolve Error "CS0417: 'identifier': cannot provide arguments when creating an instance of a variable type" in C#

235.

How to Resolve Error "CS0418: 'class name': an abstract class cannot be sealed or static" in C#

236.

How to Resolve Error "CS0420: 'identifier': a reference to a volatile field will not be treated as volatile" in C#

237.

How to Resolve Error "CS0422: The /incremental option is no longer supported" in C#

238.

How to Resolve Error "CS0423: Since 'class' has the ComImport attribute, 'method' must be extern or abstract" in C#

239.

How to Resolve Error "CS0424: A class with the ComImport attribute cannot specify a base class" in C#

240.

How to Resolve Error "CS0425: The constraints for type parameter of method must match the constraints for type parameter of interface method" in C#

241.

How to Resolve Error "CS0426: The type name 'identifier' does not exist in the type 'type'" in C#

242.

How to Resolve Error "CS0428: Cannot convert method group 'Identifier' to non-delegate type 'type'" in C#

243.

How to Resolve Error "CS0430: The extern alias 'alias' was not specified in a /reference option" in C#

244.

How to Resolve Error "CS0431: Cannot use alias 'identifier' with '::' since the alias references a type. Use '.' instead." in C#

245.

How to Resolve Error "CS0432: Alias 'identifier' not found" in C#

246.

How to Resolve Error "CS0433: The type 'TypeName1' exists in both 'TypeName2' and 'TypeName3'" in C#

247.

How to Resolve Error "CS0434: The namespace 'Name' in 'Namespace' conflicts with the type 'Name' in 'Namespace'" in C#

248.

How to Resolve Error "CS0439: An extern alias declaration must precede all other elements defined in the namespace" in C#

249.

How to Resolve Error "CS0441: A class cannot be both static and sealed" in C#

250.

How to Resolve Error "CS0442: Abstract properties cannot have private accessors" in C#

251.

How to Resolve Error "CS0443: Syntax error; value expected" in C#

252.

How to Resolve Error "CS0444: Predefined type 'type' was not found in 'namespace1' but was found in 'namespace2'" in C#

253.

How to Resolve Error "CS0445: Cannot modify the result of an unboxing conversion" in C#

254.

How to Resolve Error "CS0446: Foreach cannot operate on a 'Method Group'" in C#

255.

How to Resolve Error "CS0449: The 'class', 'struct', 'unmanaged', 'notnull', and 'default' constraints cannot be combined or duplicated, and must be specified first in the constraints list." in C#

256.

How to Resolve Error "CS0450: Cannot specify both a constraint class and the 'class' or 'struct' constraint" in C#

257.

How to Resolve Error "CS0451: The 'new()' constraint cannot be used with the 'struct' constraint" in C#

258.

How to Resolve Error "CS0452: The type 'type' must be a reference type in order to use it as parameter" in C#

259.

How to Resolve Error "CS0453: The type 'TypeName' must be a non-nullable value type in order to use it as parameter" in C#

260.

How to Resolve Error "CS0454: Circular constraint dependency involving 'Type Parameter 1' and 'Type Parameter 2'" in C#

261.

How to Resolve Error "CS0455: Type parameter inherits conflicting constraints" in C#

262.

How to Resolve Error "CS0456: Type parameter has the 'struct' constraint so it cannot be used as a constraint" in C#

263.

How to Resolve Error "CS0457: Ambiguous user defined conversions when converting from 'type1' to 'type2'" in C#

264.

How to Resolve Error "CS0460: Constraints for override and explicit interface implementation methods are inherited from the base method, so they cannot be specified directly, except for either a 'class', or a 'struct' constraint." in C#

265.

How to Resolve Error "CS0463: Evaluation of the decimal constant expression failed" in C#

266.

How to Resolve Error "CS0466:'Class.Method' should not have a params parameter since 'Interface.Method' does not" in C#

267.

How to Resolve Error "CS0468: Ambiguity between type 'type1' and type 'type2'" in C#

268.

How to Resolve Error "CS0470: Method cannot implement interface accessor for type" in C#

269.

How to Resolve Error "CS0471: The method 'name' is not a generic method" in C#

270.

How to Resolve Error "CS0500: 'class member' cannot declare a body because it is marked abstract" in C#

271.

How to Resolve Error "CS0501: 'member function' must declare a body because it is not marked abstract, extern, or partial" in C#

272.

How to Resolve Error "CS0502: 'member' cannot be both abstract and sealed" in C#

273.

How to Resolve Error "CS0503: The abstract method 'method' cannot be marked virtual" in C#

274.

How to Resolve Error "CS0504: The constant 'variable' cannot be marked static" in C#

275.

How to Resolve Error "CS0505: 'member1': cannot override because 'member2' is not a function" in C#

276.

How to Resolve Error "CS0506: cannot override inherited member because it is not marked "virtual", "abstract", or "override"" in C#

277.

How to Resolve Error "CS0507: cannot change access modifiers when overriding inherited member" in C#

278.

How to Resolve Error "CS0508: Return type must be 'Type 2' to match overridden member" in C#

279.

How to Resolve Error "CS0509: 'class1' : cannot derive from sealed type 'class2'" in C#

280.

How to Resolve Error "CS0513: 'function' is abstract but it is contained in non-abstract class 'class'" in C#

281.

How to Resolve Error "CS0514: static constructor cannot have an explicit 'this' or 'base' constructor call" in C#

282.

How to Resolve Error "CS0515: Access modifiers are not allowed on static constructors" in C#

283.

How to Resolve Error "CS0516: Constructor 'constructor' cannot call itself" in C#

284.

How to Resolve Error "CS0517: 'class' has no base class and cannot call a base constructor" in C#

285.

How to Resolve Error "CS0518: Predefined type 'type' is not defined or imported" in C#

286.

How to Resolve Error "CS0520: Predefined type 'type' is declared incorrectly" in C#

287.

How to Resolve Error "CS0522: structs cannot call base class constructors" in C#

288.

How to Resolve Error "CS0523: Struct member of type 'type' causes a cycle in the struct layout" in C#

289.

How to Resolve Error "CS0524: 'type' : interfaces cannot declare types" in C#

290.

How to Resolve Error "CS0525: Interfaces cannot contain instance fields" in C#

291.

How to Resolve Error "CS0526: Interfaces cannot contain instance constructors" in C#

292.

How to Resolve Error "CS0527: Type 'type' in interface list is not an interface" in C#

293.

How to Resolve Error "CS0528: 'interface' is already listed in interface list" in C#

294.

How to Resolve Error "CS0529: Inherited interface 'interface1' causes a cycle in the interface hierarchy of 'interface2'" in C#

295.

How to Resolve Error "CS0533: 'derived-class member' hides inherited abstract member 'base-class member'" in C#

296.

How to Resolve Error "CS0534: 'class' does not implement inherited abstract member 'member'" in C#

297.

How to Resolve Error "CS0535: 'class' does not implement interface member 'member'" in C#

298.

How to Resolve Error "CS0537: The class System.Object cannot have a base class or implement an interface" in C#

299.

How to Resolve Error "CS0538: Member in explicit interface declaration is not an interface" in C#

300.

How to Resolve Error "CS0539: Member in explicit interface declaration is not found among members of the interface that can be implemented" in C#

301.

How to Resolve Error "CS0540: Class.Member containing type does not implement interface member" in C#

302.

How to Resolve Error "CS0541: Explicit interface declaration can only be declared in a class, record, struct or interface" in C#

303.

How to Resolve Error "CS0542: Member names cannot be the same as their enclosing type" in C#

304.

How to Resolve Error "CS0543: 'enumeration' : the enumerator value is too large to fit in its type" in C#

305.

How to Resolve Error "CS0544: 'property override': cannot override because 'non-property' is not a property" in C#

306.

How to Resolve Error "CS0545: cannot override because 'property' does not have an overridable get accessor" in C#

307.

How to Resolve Error "CS0546: 'Child.Property.set': cannot override because 'Parent.Property' does not have an overridable set accessor" in C#

308.

How to Resolve Error "CS0547: property or indexer cannot have void type" in C#

309.

How to Resolve Error "CS0548: property or indexer must have at least one accessor" in C#

310.

How to Resolve Error "CS0549: 'function' is a new virtual member in sealed class 'class'" in C#

311.

How to Resolve Error "CS0550: Member adds an accessor not found in interface member" in C#

312.

How to Resolve Error "CS0551: Explicit interface implementation is missing an accessor" in C#

313.

How to Resolve Error "CS0552: User-defined conversions to or from an interface are not allowed" in C#

314.

How to Resolve Error "CS0553: User-defined conversions to or from a base type are not allowed" in C#

315.

How to Resolve Error "CS0554: User-defined conversions to or from a derived type are not allowed" in C#

316.

How to Resolve Error "CS0555: User-defined operator cannot convert a type to itself" in C#

317.

How to Resolve Error "CS0556: User-defined conversion must convert to or from the enclosing type" in C#

318.

How to Resolve Error "CS0557: Duplicate user-defined conversion in type" in C#

319.

How to Resolve Error "CS0558: User-defined operator must be declared static and public" in C#

320.

How to Resolve Error "CS0559: The parameter type for ++ or -- operator must be the containing type" in C#

321.

How to Resolve Error "CS0562: The parameter of a unary operator must be the containing type" in C#

322.

How to Resolve Error "CS0563: One of the parameters of a binary operator must be the containing type" in C#

323.

How to Resolve Error "CS0564: The first operand of an overloaded shift operator must have the same type as the containing type" in C#

324.

How to Resolve Error "CS0567: Conversion, equality, or inequality operators declared in interfaces must be abstract or virtual" in C#

325.

How to Resolve Error "CS0569: "method2' : cannot override 'method1' because it is not supported by the language" in C#

326.

How to Resolve Error "CS0570: Property, indexer or event is not supported by the language" in C#

327.

How to Resolve Error "CS0571: 'function' : cannot explicitly call operator or accessor" in C#

328.

How to Resolve Error "CS0572: 'type' : cannot reference a type through an expression" in C#

329.

How to Resolve Error "CS0573: 'Field': cannot have instance field initializers in structs" in C#

330.

How to Resolve Error "CS0574: Name of destructor must match name of type" in C#

331.

How to Resolve Error "CS0575: Only class types can contain destructors" in C#

332.

How to Resolve Error "CS0576: Namespace 'namespace' contains a definition conflicting with alias 'alias'" in C#

333.

How to Resolve Error "CS0577: The Conditional attribute is not valid on this item" in C#

334.

How to Resolve Error "CS0578: The Conditional attribute is not valid because the return type is not void" in C#

335.

How to Resolve Error "CS0579: Duplicate 'attribute' attribute" in C#

336.

How to Resolve Error "CS0582: The Conditional attribute is not valid on interface members" in C#

337.

How to Resolve Error "CS0590: User-defined operators cannot return void" in C#

338.

How to Resolve Error "CS0591: Invalid value for argument to attribute" in C#

339.

How to Resolve Error "CS0592: Attribute 'attribute' is not valid on this declaration type" in C#

340.

How to Resolve Error "CS0594: Floating-point constant is outside the range of type 'type'" in C#

341.

How to Resolve Error "CS0595: Invalid real literal" in C#

342.

How to Resolve Error "CS0596: The Guid attribute must be specified with the ComImport attribute" in C#

343.

How to Resolve Error "CS0599: Invalid value for named attribute argument 'argument'" in C#

344.

How to Resolve Error "CS0601: The DllImport attribute must be specified on a method marked 'static' and 'extern'" in C#

345.

How to Resolve Error "CS0610: Field or property cannot be of type 'type'" in C#

346.

How to Resolve Error "CS0611: Array elements cannot be of type 'type'" in C#

347.

How to Resolve Error "CS0616: 'class' is not an attribute class" in C#

348.

How to Resolve Error "CS0617: 'name' is not a valid named attribute argument" in C#

349.

How to Resolve Error "CS0619: 'member' is obsolete: 'text'" in C#

350.

How to Resolve Error "CS0620: Indexers cannot have void type" in C#

351.

How to Resolve Error "CS0621: 'member' : virtual or abstract members cannot be private" in C#

352.

How to Resolve Error "CS0622: Can only use array initializer expressions to assign to array types" in C#

353.

How to Resolve Error "CS0623: Array initializers can only be used in a variable or field initializer" in C#

354.

How to Resolve Error "CS0625: Instance field marked with StructLayout(LayoutKind.Explicit) must have a FieldOffset" in C#

355.

How to Resolve Error "CS0629: Conditional member cannot implement interface member" in C#

356.

How to Resolve Error "CS0630: Member cannot implement interface member because it has an '__arglist' parameter" in C#

357.

How to Resolve Error "CS0631: ref and out are not valid in this context" in C#

358.

How to Resolve Error "CS0633: The argument to the attribute must be a valid identifier" in C#

359.

How to Resolve Error "CS0635: System.Interop.UnmanagedType.CustomMarshaler requires named arguments MarshalType and MarshalCookie" in C#

360.

How to Resolve Error "CS0636: The FieldOffset attribute can only be placed on members of types marked with the StructLayout(LayoutKind.Explicit)" in C#

361.

How to Resolve Error "CS0637: The FieldOffset attribute is not allowed on static or const fields" in C#

362.

How to Resolve Error "CS0641: Attribute 'attribute' is only valid on classes derived from System.Attribute" in C#

363.

How to Resolve Error "CS0643: Duplicate named attribute argument" in C#

364.

How to Resolve Error "CS0644: 'MyClass' cannot derive from special class 'System.ValueType' (or Enum, Delegate, Array)" in C#

365.

How to Resolve Error "CS0645: Identifier too long" in C#

366.

How to Resolve Error "CS0646: Cannot specify the DefaultMember attribute on a type containing an indexer" in C#

367.

How to Resolve Error "CS0647: Error emitting 'attribute' attribute -- 'reason'" in C#

368.

How to Resolve Error "CS0648: 'type' is a type not supported by the language" in C#

369.

How to Resolve Error "CS0650: Bad array declarator: To declare a managed array the rank specifier precedes the variable's identifier" in C#

370.

How to Resolve Error "CS0652: Comparison to integral constant is useless; the constant is outside the range of type 'type'" in C#

371.

How to Resolve Error "CS0653: Cannot apply attribute class 'AttributeName' because it is abstract" in C#

372.

How to Resolve Error "CS0655: Not a valid named attribute argument because it is not a valid attribute parameter type" in C#

373.

How to Resolve Error "CS0656: Missing compiler required member 'object.member'" in C#

374.

How to Resolve Error "CS0662: Cannot specify the Out attribute on a ref parameter without also specifying the In attribute" in C#

375.

How to Resolve Error "CS0663: Cannot define overloaded methods that differ only on ref and out" in C#

376.

How to Resolve Error "CS0664: Literal of type double cannot be implicitly converted to type" in C#

377.

How to Resolve Error "CS0666: 'member' : new protected member declared in struct" in C#

378.

How to Resolve Error "CS0668: Two indexers have different names; the IndexerName attribute must be used with the same name on every indexer within a type" in C#

379.

How to Resolve Error "CS0669: A class with the ComImport attribute cannot have a user-defined constructor" in C#

380.

How to Resolve Error "CS0670: Field cannot have void type" in C#

381.

How to Resolve Error "CS0673: System.Void cannot be used from C# -- use typeof(void) to get the void type object" in C#

382.

How to Resolve Error "CS0674: Do not use 'System.ParamArrayAttribute'. Use the 'params' keyword instead." in C#

383.

How to Resolve Error "CS0677: A volatile field cannot be of the type 'type'" in C#

384.

How to Resolve Error "CS0678: 'variable': a field can not be both volatile and readonly" in C#

385.

How to Resolve Error "CS0681: The modifier 'abstract' is not valid on fields" in C#

386.

How to Resolve Error "CS0682: 'MyClass' cannot implement 'IExternalInterface' because it is not supported by the language" in C#

387.

How to Resolve Error "CS0683: Explicit method implementation cannot implement 'method' because it is an accessor" in C#

388.

How to Resolve Error "CS0685: Conditional member 'member' cannot have an out parameter" in C#

389.

How to Resolve Error "CS0686: Accessor cannot implement interface member. Use an explicit interface implementation." in C#

390.

How to Resolve Error "CS0687: The namespace alias qualifier '::' always resolves to a type or namespace so is illegal here" in C#

391.

How to Resolve Error "CS0689: Cannot derive from 'identifier' because it is a type parameter" in C#

392.

How to Resolve Error "CS0690: Input file 'file' contains invalid metadata" in C#

393.

How to Resolve Error "CS0692: Duplicate type parameter 'identifier'" in C#

394.

How to Resolve Error "CS0694: Type parameter has the same name as the containing type or method" in C#

395.

How to Resolve Error "CS0695: 'type' cannot implement both 'interface1' and 'interface2' because they may unify for some type parameter substitutions" in C#

396.

How to Resolve Error "CS0698: A generic type cannot derive from 'Attribute' because it is an attribute class" in C#

397.

How to Resolve Error "CS0699: 'MyMethod' does not define type parameter 'identifier'" in C#

398.

How to Resolve Error "CS0701: 'identifier' is not a valid constraint. A type used as a constraint must be an interface, a non-sealed class or a type parameter." in C#

399.

How to Resolve Error "CS0702: Constraint cannot be special class 'identifier'" in C#

400.

How to Resolve Error "CS0703: Inconsistent accessibility: constraint type 'type' is less accessible than 'generic'" in C#

401.

How to Resolve Error "CS0704: Cannot do member lookup in 'type' because it is a type parameter" in C#

402.

How to Resolve Error "CS0706: Invalid constraint type. A type used as a constraint must be an interface, a non-sealed class or a type parameter." in C#

403.

How to Resolve Error "CS0708: cannot declare instance members in a static class" in C#

404.

How to Resolve Error "CS0709: 'derived class': cannot derive from static class 'base class'" in C#

405.

How to Resolve Error "CS0710: Static classes cannot have instance constructors" in C#

406.

How to Resolve Error "CS0711: Static classes cannot contain destructors" in C#

407.

How to Resolve Error "CS0712: Cannot create an instance of the static class" in C#

408.

How to Resolve Error "CS0713: Static class cannot derive from type. Static classes must derive from object." in C#

409.

How to Resolve Error "CS0714: Static classes cannot implement interfaces" in C#

410.

How to Resolve Error "CS0715: Static classes cannot contain user-defined operators" in C#

411.

How to Resolve Error "CS0716: Cannot convert to static type 'type'" in C#

412.

How to Resolve Error "CS0717: 'static class': static classes cannot be used as constraints" in C#

413.

How to Resolve Error "CS0718: 'type': static types cannot be used as type arguments" in C#

414.

How to Resolve Error "CS0719: Array elements cannot be of static type" in C#

415.

How to Resolve Error "CS0720: 'static class': cannot declare indexers in a static class" in C#

416.

How to Resolve Error "CS0721: 'type': static types cannot be used as parameters" in C#

417.

How to Resolve Error "CS0722: 'type': static types cannot be used as return types" in C#

418.

How to Resolve Error "CS0723: Cannot declare variable of static type 'type'" in C#

419.

How to Resolve Error "CS0724: A throw statement with no arguments is not allowed in a finally clause" in C#

420.

How to Resolve Error "CS0726: 'format specifier' is not a valid format specifier" in C#

421.

How to Resolve Error "CS0727: Invalid format specifier" in C#

422.

How to Resolve Error "CS0729: Type 'type' is defined in this assembly, but a type forwarder is specified for it" in C#

423.

How to Resolve Error "CS0730: Cannot forward type 'type' because it is a nested type of 'type'" in C#

424.

How to Resolve Error "CS0731: The type forwarder for type 'type' in assembly 'assembly' causes a cycle" in C#

425.

How to Resolve Error "CS0733: Cannot forward generic type" in C#

426.

How to Resolve Error "CS0734: The /moduleassemblyname option may only be specified when building a target type of 'module'" in C#

427.

How to Resolve Error "CS0735: Invalid type specified as an argument for TypeForwardedTo attribute" in C#

428.

How to Resolve Error "CS0736: Member does not implement instance interface member because it is static" in C#

429.

How to Resolve Error "CS0737: Member does not implement interface member because it is not public" in C#

430.

How to Resolve Error "CS0738: Member does not implement interface member because of non-matching return type" in C#

431.

How to Resolve Error "CS0739: 'type name' duplicate TypeForwardedToAttribute" in C#

432.

How to Resolve Error "CS0742: A query body must end with a select clause or a group clause" in C#

433.

How to Resolve Error "CS0743: Expected contextual keyword 'on'" in C#

434.

How to Resolve Error "CS0744: Expected contextual keyword 'equals'" in C#

435.

How to Resolve Error "CS0745: Expected contextual keyword 'by'" in C#

436.

How to Resolve Error "CS0746: Invalid anonymous type member declarator" in C#

437.

How to Resolve Error "CS0747: Invalid initializer member declarator" in C#

438.

How to Resolve Error "CS0748: Inconsistent lambda parameter usage; parameter types must be all explicit or all implicit" in C#

439.

How to Resolve Error "CS0750: A partial member cannot have the 'abstract' modifier" in C#

440.

How to Resolve Error "CS0751: A partial member must be declared within a partial type" in C#

441.

How to Resolve Error "CS0752: A partial method cannot have out parameters" in C#

442.

How to Resolve Error "CS0753: Only methods, classes, structs, or interfaces may be partial" in C#

443.

How to Resolve Error "CS0754: A partial member may not explicitly implement an interface member" in C#

444.

How to Resolve Error "CS0755: Both partial method declarations must be extension methods or neither may be an extension method" in C#

445.

How to Resolve Error "CS0756: A partial method may not have multiple defining declarations" in C#

446.

How to Resolve Error "CS0757: A partial method may not have multiple implementing declarations" in C#

447.

How to Resolve Error "CS0758: Both partial member declarations must use a params parameter or neither may use a params parameter" in C#

448.

How to Resolve Error "CS0759: No defining declaration found for implementing declaration of partial method" in C#

449.

How to Resolve Error "CS0761: Partial method declarations of method<T> have inconsistent type parameter constraints" in C#

450.

How to Resolve Error "CS0762: Cannot create delegate from method because it is a partial method without an implementing declaration" in C#

451.

How to Resolve Error "CS0763: Both partial member declarations must be static or neither may be static" in C#

452.

How to Resolve Error "CS0764: Both partial member declarations must be unsafe or neither may be unsafe" in C#

453.

How to Resolve Error "CS0765: Partial methods with only a defining declaration or removed conditional methods cannot be used in expression trees" in C#

454.

How to Resolve Error "CS0766: Partial methods must have a void return type" in C#

455.

How to Resolve Error "CS0767: Cannot inherit interface with the specified type parameters because it causes method to contain overloads which differ only on ref and out" in C#

456.

How to Resolve Error "CS0768: Constructor cannot call itself through another constructor" in C#

457.

How to Resolve Error "CS0809: Obsolete member overrides non-obsolete member" in C#

458.

How to Resolve Error "CS0811: The fully qualified name for 'name' is too long for debug information" in C#

459.

How to Resolve Error "CS0815: Cannot assign 'expression' to an implicitly typed local" in C#

460.

How to Resolve Error "CS0818: Implicitly-typed variables must be initialized" in C#

461.

How to Resolve Error "CS0819: Implicitly-typed variables cannot have multiple declarators" in C#

462.

How to Resolve Error "CS0820: Cannot initialize an implicitly-typed variable with an array initializer" in C#

463.

How to Resolve Error "CS0821: Implicitly-typed local variables cannot be fixed" in C#

464.

How to Resolve Error "CS0822: Implicitly-typed variables cannot be constant" in C#

465.

How to Resolve Error "CS0824: Constructor 'name' is marked external" in C#

466.

How to Resolve Error "CS0825: The contextual keyword 'var' may only appear within a local variable declaration" in C#

467.

How to Resolve Error "CS0826: No best type found for implicitly-typed array" in C#

468.

How to Resolve Error "CS0828: Cannot assign 'expression' to anonymous type property" in C#

469.

How to Resolve Error "CS0831: An expression tree may not contain a base access" in C#

470.

How to Resolve Error "CS0832: An expression tree may not contain an assignment operator" in C#

471.

How to Resolve Error "CS0833: An anonymous type cannot have multiple properties with the same name" in C#

472.

How to Resolve Error "CS0834: A lambda expression with a statement body cannot be converted to an expression tree" in C#

473.

How to Resolve Error "CS0835: Cannot convert lambda to an expression tree whose type argument 'type' is not a delegate type" in C#

474.

How to Resolve Error "CS0836: Cannot use anonymous type in a constant expression" in C#

475.

How to Resolve Error "CS0837: The first operand of an 'is' or 'as' operator may not be a lambda expression" in C#

476.

How to Resolve Error "CS0838: An expression tree may not contain a multidimensional array initializer" in C#

477.

How to Resolve Error "CS0839: Argument missing" in C#

478.

How to Resolve Error "CS0840: Property must declare a body because it is not marked abstract or extern" in C#

479.

How to Resolve Error "CS0841: Cannot use local variable 'name' before it is declared" in C#

480.

How to Resolve Error "CS0842: Automatically implemented properties cannot be used inside a type marked with StructLayout(LayoutKind.Explicit)" in C#

481.

How to Resolve Error "CS0843: Auto-implemented property must be fully assigned" in C#

482.

How to Resolve Error "CS0844: Cannot use local variable 'name' before it is declared. The declaration of the local variable hides the field 'name'." in C#

483.

How to Resolve Error "CS0845: An expression tree lambda may not contain a coalescing operator with a null or default literal left-hand side" in C#

484.

How to Resolve Error "CS0846: A nested array initializer is expected" in C#

485.

How to Resolve Error "CS0847: An array initializer of length 'value' is expected" in C#

486.

How to Resolve Error "CS0853: An expression tree may not contain a named argument specification" in C#

487.

How to Resolve Error "CS0854: An expression tree may not contain a call or invocation that uses optional arguments" in C#

488.

How to Resolve Error "CS0855: An expression tree may not contain an indexed property" in C#

489.

How to Resolve Error "CS0856: Indexed property has non-optional arguments which must be provided" in C#

490.

How to Resolve Error "CS0857: Indexed property must have all arguments optional" in C#

491.

How to Resolve Error "CS1001: Identifier expected" in C#

492.

How to Resolve Error "CS1002: ; expected" in C#

493.

How to Resolve Error "CS1003: Syntax error, 'char' expected" in C#

494.

How to Resolve Error "CS1004: Duplicate 'modifier' modifier" in C#

495.

How to Resolve Error "CS1007: Property accessor already defined" in C#

496.

How to Resolve Error "CS1008: Type byte, sbyte, short, ushort, int, uint, long, or ulong expected" in C#

497.

How to Resolve Error "CS1009: Unrecognized escape sequence" in C#

498.

How to Resolve Error "CS1010: Newline in constant" in C#

499.

How to Resolve Error "CS1011: Empty character literal" in C#

500.

How to Resolve Error "CS1012: Too many characters in character literal" in C#

501.

How to Resolve Error "CS1013: Invalid number" in C#

502.

How to Resolve Error "CS1014: A get or set accessor expected" in C#

503.

How to Resolve Error "CS1015: An object, string, or class type expected" in C#

504.

How to Resolve Error "CS1016: Named attribute argument expected" in C#

505.

How to Resolve Error "CS1017: Catch clauses cannot follow the general catch clause of a try statement" in C#

506.

How to Resolve Error "CS1018: Keyword 'this' or 'base' expected" in C#

507.

How to Resolve Error "CS1019: Overloadable unary operator expected" in C#

508.

How to Resolve Error "CS1020: Overloadable binary operator expected" in C#

509.

How to Resolve Error "CS1021: Integral constant is too large" in C#

510.

How to Resolve Error "CS1022: Type or namespace definition, or end-of-file expected" in C#

511.

How to Resolve Error "CS1023: Embedded statement cannot be a declaration or labeled statement" in C#

512.

How to Resolve Error "CS1024: Preprocessor directive expected" in C#

513.

How to Resolve Error "CS1025: Single-line comment or end-of-line expected" in C#

514.

How to Resolve Error "CS1026: ) expected" in C#

515.

How to Resolve Error "CS1027: #endif directive expected" in C#

516.

How to Resolve Error "CS1028: Unexpected preprocessor directive" in C#

517.

How to Resolve Error "CS1029: #error: 'text'" in C#

518.

How to Resolve Error "CS1030: #warning: 'text'" in C#

519.

How to Resolve Error "CS1031: Type expected" in C#

520.

How to Resolve Error "CS1032: Cannot define/undefine preprocessor symbols after first token in file" in C#

521.

How to Resolve Error "CS1034: Compiler limit exceeded: Line cannot exceed 'number' characters" in C#

522.

How to Resolve Error "CS1035: End-of-file found, '*/' expected" in C#

523.

How to Resolve Error "CS1036: ( or . expected" in C#

524.

How to Resolve Error "CS1037: Overloadable operator expected" in C#

525.

How to Resolve Error "CS1038: #endregion directive expected" in C#

526.

How to Resolve Error "CS1039: Unterminated string literal" in C#

527.

How to Resolve Error "CS1040: Preprocessor directives must appear as the first non-whitespace character on a line" in C#

528.

How to Resolve Error "CS1041: Identifier expected; 'name' is a keyword" in C#

529.

How to Resolve Error "CS1043: { or ; expected" in C#

530.

How to Resolve Error "CS1044: Cannot use more than one type in a for, using, fixed, or declaration statement" in C#

531.

How to Resolve Error "CS1055: An add or remove accessor expected" in C#

532.

How to Resolve Error "CS1056: Unexpected character 'character'" in C#

533.

How to Resolve Error "CS1057: 'member': static classes cannot contain protected members" in C#

534.

How to Resolve Error "CS1058: A previous catch clause already catches all exceptions" in C#

535.

How to Resolve Error "The feature 'invalid feature' is deprecated. Please use 'valid feature' instead." in C#

536.

How to Resolve Error "The inherited members 'Member1' and 'Member2' have the same signature in type 'DerivedClass', so they cannot be overridden" in C#

537.

How to Resolve Error "The return type for ++ or -- operator must match the parameter type or be derived from the parameter type" in C#

538.

How to Resolve Error "The type 'Name' in 'ModuleA' conflicts with the namespace 'Name' in 'ModuleB'" in C#

539.

How to Resolve Warning "CS0028: 'function declaration' has the wrong signature to be an entry point" in C#

540.

How to Resolve Warning "CS0067: The event 'event' is never used" in C#

541.

How to Resolve Warning "CS0078: The 'l' suffix is easily confused with the digit '1' -- use 'L' for clarity" in C#

542.

How to Resolve Warning "CS0108: 'member1' hides inherited member 'member2'" in C#

543.

How to Resolve Warning "CS0109: The member 'member' does not hide an accessible member" in C#

544.

How to Resolve Warning "CS0114: 'function1' hides inherited member 'function2'" in C#

545.

How to Resolve Warning "CS0162: Unreachable code detected" in C#

546.

How to Resolve Warning "CS0164: This label has not been referenced" in C#

547.

How to Resolve Warning "CS0168: The variable 'var' is declared but never used" in C#

548.

How to Resolve Warning "CS0169: The private field 'class member' is never used" in C#

549.

How to Resolve Warning "CS0183: The given expression is always of the provided ('type') type" in C#

550.

How to Resolve Warning "CS0184: The given expression is never of the provided ('type') type" in C#

551.

How to Resolve Warning "CS0197: Passing 'argument' as ref or out or taking its address may cause a runtime exception" in C#

552.

How to Resolve Warning "CS0219: The variable 'variable' is assigned but its value is never used" in C#

553.

How to Resolve Warning "CS0252: Possible unintended reference comparison; to get a value comparison, cast the left hand side to type 'type'" in C#

554.

How to Resolve Warning "CS0253: Possible unintended reference comparison; to get a value comparison, cast the right hand side to type 'type'" in C#

555.

How to Resolve Warning "CS0278: 'Type' does not implement the 'collection' pattern. 'GetEnumerator' is ambiguous with 'GetEnumerator'." in C#

556.

How to Resolve Warning "CS0279: 'type' does not implement the 'pattern' pattern. 'method' is either static or not public." in C#

557.

How to Resolve Warning "CS0280: 'type' does not implement the 'pattern' pattern. 'method' has the wrong signature." in C#

558.

How to Resolve Warning "CS0282: There is no defined ordering between fields in multiple declarations of partial class or struct 'type'. To specify an ordering, all instance fields must be in the same declaration." in C#

559.

How to Resolve Warning "CS0402: 'MethodName' : an entry point cannot be generic or in a generic type" in C#

560.

How to Resolve Warning "CS0414: The private field 'field' is assigned but its value is never used" in C#

561.

How to Resolve Warning "CS0419: Ambiguous reference in cref attribute" in C#

562.

How to Resolve Warning "CS0429: Unreachable expression code detected" in C#

563.

How to Resolve Warning "CS0435: The namespace 'Name1' in 'AssemblyA' conflicts with the imported type 'Name1' in 'AssemblyB'. Using the namespace defined in 'AssemblyA'." in C#

564.

How to Resolve Warning "CS0436: The type 'MyType' in 'MyProject' conflicts with the imported type 'MyType' in 'MyLibrary.dll'. Using the type defined in 'MyProject'." in C#

565.

How to Resolve Warning "CS0437: The type 'MyName' in 'AssemblyA' conflicts with the imported namespace 'MyName' in 'AssemblyB'. Using the type defined in 'AssemblyA'." in C#

566.

How to Resolve Warning "CS0440: Defining an alias named 'global' is ill-advised" in C#

567.

How to Resolve Warning "CS0458: The result of the expression is always 'null' of type 'int?' (or other nullable type)" in C#

568.

How to Resolve Warning "CS0464: Comparing with null of type 'int' (or other type) always produces 'false'" in C#

569.

How to Resolve Warning "CS0465: Introducing a 'Finalize' method can interfere with destructor invocation" in C#

570.

How to Resolve Warning "CS0467: Ambiguity between method 'method' and non-method 'non-method'" in C#

571.

How to Resolve Warning "CS0469: The 'goto case' value is not implicitly convertible to type 'Type'" in C#

572.

How to Resolve Warning "CS0472: The result of the expression is always 'value' since a value of type 'type' is never equal to 'null'" in C#

573.

How to Resolve Warning "CS0473: Explicit interface implementation matches more than one interface member" in C#

574.

How to Resolve Warning "CS0612: 'member' is obsolete" in C#

575.

How to Resolve Warning "CS0618: 'member' is obsolete: 'text'" in C#

576.

How to Resolve Warning "CS0626: Method marked external and has no attributes on it" in C#

577.

How to Resolve Warning "CS0628: 'member' : new protected member declared in sealed class" in C#

578.

How to Resolve Warning "CS0642: Possible mistaken empty statement" in C#

579.

How to Resolve Warning "CS0649: Field 'VariableName' is never assigned to, and will always have its default value 'value'" in C#

580.

How to Resolve Warning "CS0657: 'attribute' is not a valid attribute location for this declaration" in C#

581.

How to Resolve Warning "CS0658: 'Location' is not a recognized attribute location." in C#

582.

How to Resolve Warning "CS0659: 'MyClass' overrides Object.Equals but does not override Object.GetHashCode" in C#

583.

How to Resolve Warning "CS0660: Type defines operator == or != but does not override Object.Equals" in C#

584.

How to Resolve Warning "CS0661: Type defines operator == or != but does not override Object.GetHashCode()" in C#

585.

How to Resolve Warning "CS0665: Assignment in conditional expression is always constant" in C#

586.

How to Resolve Warning "CS0672: Member overrides obsolete member. Add the Obsolete attribute" in C#

587.

How to Resolve Warning "CS0675: Bitwise-or operator used on a sign-extended operand" in C#

588.

How to Resolve Warning "CS0684: 'interface' marked with 'CoClassAttribute' not marked with 'ComImportAttribute'" in C#

589.

How to Resolve Warning "CS0688: 'DerivedMethod' has a link demand, but overrides or implements 'BaseMethod' which does not have a link demand. A security hole may exist." in C#

590.

How to Resolve Warning "CS0693: Type parameter has the same name as the type parameter from outer type" in C#

591.

How to Resolve Warning "CS0728: Possibly incorrect assignment to local variable argument to using or lock" in C#