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Compiler Error CS0825

  • Article

The contextual keyword 'var' may only appear within a local variable declaration.

To correct this error

  1. If the variable belongs at class scope, give it an explicit type. Otherwise move it inside the method where it will be used.

Example

The following code generates CS0825 because var is used on a class field:

// cs0825.cs  
class Test  
{  
    // Both of these declarations trigger CS0825
    private var genreName;
    private var bookTitles = new List<string>();
  
    static int Main()  
    {  
        var totalBooks = 42; // var is OK here  
        return -1;  
    }  
}

See also