C# Error Messages

The main .NET language.All C# pages

C# error CS0103: The name does not exist in the current contextC# CS0103 means a name is not visible where it is used, usually a variable declared inside an if or for block. Declare it in the outer scope. Real output.
C# error CS0246: The type or namespace name could not be foundCS0246 means the C# compiler cannot resolve a type or namespace: a missing using directive, NuGet package or project reference. Real dotnet build output.
C# error CS1061: does not contain a definition and no accessible extension methodC# CS1061: the type has no member with that name and no extension method fits. Fix the member name or type, or add using System.Linq. Real dotnet build output.
C# warning CS8618: Non-nullable property must contain a non-null value when exiting constructorCS8618 warns that a non-nullable property or field can still be null after the constructor runs. Fix it with required, an initializer, a constructor or string?.