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Compiler Error CS0102

The type 'type name' already contains a definition for 'identifier'

A class contains multiple declarations for identifiers with the same name at the same scope. To fix the error, rename the duplicate identifiers.

The following sample generates CS0102.

// CS0102.cs
// compile with: /target:library
namespace MyApp
{
   public class MyClass
   {
      string s = "Hello";
      string s = "Goodbye";   // CS0102
      
      public void GetString()
      {
         string s = "Hello again";   // method scope, no error
      }
   }
}

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