This post covers all the .NET related articles covered as part of C# Tips & Tricks series and C# compiler errors in DeveloperPublish.com
List of C# Compiler Errors
- C# Error CS0273 – The accessibility modifier of the ‘property_accessor’ accessor must be more restrictive than the property or indexer ‘property’
- C# Error CS0272 – The property or indexer ‘property/indexer’ cannot be used in this context because the set accessor is inaccessible
- C# Error CS0271 – The property or indexer ‘property/indexer’ cannot be used in this context because the get accessor is inaccessible
- C# Error CS0270 – Array size cannot be specified in a variable declaration
- C# Error CS0269 – Use of unassigned out parameter ‘parameter’
- C# Error CS0267 – The partial modifier can only appear immediately before ‘class’, ‘record’, ‘struct’, ‘interface’, or a method return type
- C# Error CS0266 – Cannot implicitly convert type ‘type1’ to ‘type2’
- C# Error CS0264 – Partial declarations of ‘type’ must have the same type parameter names in the same order
- C# Error CS0263 – Partial declarations of ‘type’ must not specify different base classes
- C# Error CS0262 – Partial declarations of ‘type’ have conflicting accessibility modifiers
- C# Error CS0261 – Partial declarations of ‘type’ must be all classes, all structs, or all interfaces
- C# Error CS0260 – Missing partial modifier on declaration of type ‘type’; another partial declaration of this type exists
- C# Error CS0255 – stackalloc may not be used in a catch or finally block
- CS0250 – Do not directly call your base class Finalize method. It is called automatically from your destructor
- C# Error CS0249 – Do not override object.Finalize. Instead, provide a destructor
- C# Error CS0248 – Cannot create an array with a negative size
- C# Error CS0247 – Cannot use a negative size with stackalloc
- C# Error CS0246 – The type or namespace name ‘type/namespace’ could not be found
- C# Error CS0245 – Destructors and object.Finalize cannot be called directly
- C# Error CS0244 – Neither ‘is’ nor ‘as’ is valid on pointer types
- C# Error CS0243 – The Conditional attribute is not valid on ‘method’ because it is an override method
- C# Error CS0239 – ‘member’ : cannot override inherited member ‘inherited member’ because it is sealed
- C# Error CS0238 – ‘member’ cannot be sealed because it is not an override
- C# Error CS0236 – A field initializer cannot reference the non-static field, method, or property ‘name’
- C# Error CS0234 – The type or namespace name ‘name’ does not exist in the namespace ‘namespace’
- C# Error CS0231 – A params parameter must be the last parameter in a formal parameter list
- C# Error CS0230 – Type and identifier are both required in a foreach statement
- C# Error CS0226 – An __arglist expression may only appear inside of a call or new expression
- C# Error CS0225 – The params parameter must be a single dimensional array
- C# Error CS0221 – Constant value ‘value’ cannot be converted to a ‘type’ (use ‘unchecked’ syntax to override)
- C# Error CS0220 – The operation overflows at compile time in checked mode
- C# Error CS0216 – The operator ‘operator’ requires a matching operator ‘missing_operator’ to also be defined
- C# Error CS0215 – The return type of operator True or False must be bool
- C# Error CS0206 – A property or indexer may not be passed as an out or ref parameter
- C# Error CS0205 – Cannot call an abstract base member: ‘method’
- C# Error CS0204 – Only 65534 locals, including those generated by the compiler, are allowed
- C# Error CS0202 – foreach requires that the return type ‘type’ of ‘type.GetEnumerator()’
- C# Error CS0201 – Only assignment, call, increment, decrement, and new object expressions can be used as a statement
- C# Error CS0200 – Property or indexer ‘property’ cannot be assigned to — it is read only
- C# Error CS0199 – Fields of static readonly field ‘name’ cannot be passed ref or out
- C# Error CS0198 – Fields of static readonly field ‘name’ cannot be assigned to
- C# Error CS0196 – A pointer must be indexed by only one value
- C# Error CS0193 – The * or -> operator must be applied to a pointer
- C# Error CS0192 – Fields of static readonly field ‘name’ cannot be passed ref or out (except in a static constructor)
- C# Error CS0191 – Property or indexer ‘name’ cannot be assigned to — it is read only
- C# Error CS0188 – The ‘this’ object cannot be used before all of its fields are assigned to
- C# Error CS0186 – Use of null is not valid in this context
- C# Error CS0185 – ‘type’ is not a reference type as required by the lock statement
- C# Error CS0182 – An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type
- C# Error CS0181 – Attribute constructor parameter ‘value’ has type ‘decimal’, which is not a valid attribute parameter type
- C# Error CS0180 – ‘member’ cannot be both extern and abstract
- C# Error CS0179 – ‘member’ cannot be extern and declare a body
- C# Error CS0178 – Invalid rank specifier: expected ‘,’ or ‘]’
- C# Error CS0177 – The out parameter ‘parameter’ must be assigned to before control leaves the current method
- C# Error CS0176 – Static member ‘member’ cannot be accessed with an instance reference; qualify it with a type name instead
- C# Error CS0175 – Use of keyword ‘base’ is not valid in this context
- C# Error CS0173 – Type of conditional expression cannot be determined because there is no implicit conversion between ‘class1’ and ‘class2’
- C# Error CS0171 – Field ‘name’ must be fully assigned before control is returned to the caller
- C# Error CS0170 – Use of possibly unassigned field ‘field’
- C# Error CS0165 – Use of unassigned local variable ‘name’
- C# Error CS0163 – Control cannot fall through from one case label (‘label’) to another
- C# Error CS0161 – ‘method’: not all code paths return a value
- C# Error CS0160 – A previous catch clause already catches all exceptions of this or of a super type (‘type’)
- C# Error CS0159 – No such label ‘label’ within the scope of the goto statement
- C# Error CS0157 – Control cannot leave the body of a finally clause
- C# Error CS0156 – A throw statement with no arguments is not allowed outside of a catch clause
- C# Error CS0155 – The type caught or thrown must be derived from System.Exception
- C# Error CS0154 – The property or indexer ‘property’ cannot be used in this context because it lacks the get accessor
- C# Error CS0153 – A goto case is only valid inside a switch statement
- C# Error CS0152 – The switch statement contains multiple cases with the label value
- C# Error CS8119 – The switch expression must be a value; found ‘{0}’
- C# Error CS0150 – A constant value is expected
- C# Error CS0146 – Circular base class dependency involving ‘class1’ and ‘class2’
- C# Error CS0145 – A const field requires a value to be provided
- C# Error CS0144 – Cannot create an instance of the abstract class or interface ‘interface’
- C# Error CS0140 – The label ‘label’ is a duplicate
- C# Error CS0139 – No enclosing loop out of which to break or continue
- C# Error CS0138 – A using namespace directive can only be applied to namespaces
- C# Error CS0136 – A local variable named ‘var’ cannot be declared in this scope
- C# Error CS0133 – The expression being assigned to ‘variable’ must be constant
- C# Error CS0132 – ‘constructor’ : a static constructor must be parameterless
- C# Error CS0131 – The left-hand side of an assignment must be a variable, property or indexer
- C# Error CS0128 – A local variable named ‘variable’ is already defined in this scope
- C# Error CS0127 – Since ‘function’ returns void, a return keyword must not be followed by an object expression
- C# Error CS0126 – An object of a type convertible to ‘type’ is required
- C# Error CS0123 – No overload for ‘method’ matches delegate ‘delegate’
- C# Error CS0122 – ‘member’ is inaccessible due to its protection level
- C# Error CS0121 – The call is ambiguous between the following methods or properties: ‘method1’ and ‘method2’
- C# Error CS0120 – An object reference is required for the nonstatic field, method, or property ‘member’
- C# Error CS0118 – construct1_name’ is a ‘construct1’ but is used like a ‘construct2’
- C# Error CS0117 – ‘type’ does not contain a definition for ‘identifier’
- C# Error CS0116 – A namespace cannot directly contain members such as fields or methods
- C# Error CS0115 – ‘function’ : no suitable method found to override
- C# Error CS0113 – A member ‘function’ marked as override cannot be marked as new or virtual
- C# Error CS0112 – A static member ‘function’ cannot be marked as override, virtual or abstract
- C# Error CS0111 – Type ‘class’ already defines a member called ‘member’ with the same parameter types
- C# Error CS0110 – The evaluation of the constant value for ‘const declaration’ involves a circular definition
- C# Error CS0107 – More than one protection modifier
- C# Error CS0106 – The modifier ‘modifier’ is not valid for this item
- C# Error CS0104 – ‘reference’ is an ambiguous reference between ‘identifier’ and ‘identifier’
