The error message CS0656 – Missing compiler required member ‘System.Runtime.CompilerServices.ExtensionAttribute’ in C# indicates that the compiler is unable to find the ExtensionAttribute class, which is required for extension methods. This….
The error message CS0104 – ‘xyz’ is an ambiguous reference between ‘namespace1.xyz’ and ‘namespace2.xyz’ in C# indicates that the compiler cannot resolve a reference to ‘xyz’ because it exists in….
The error message CS1501 – No overload for method ‘xyz’ takes ‘n’ arguments in C# indicates that you are trying to call a method ‘xyz’ with an incorrect number of….
The error message CS1061 – ‘xyz’ does not contain a definition for ‘abc’ and no accessible extension method ‘abc’ accepting a first argument of type ‘xyz’ could be found in….
The error message CS0117 – ‘xyz’ does not contain a definition for ‘abc’ in C# indicates that the compiler cannot find a member (method, property, field, etc.) named ‘abc’ in….
