Compiler Error CS0145

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A const field requires a value to be provided

You must initialize a const variable. For more information, see Constants (C# Programming Guide).

The following sample generates CS0145:

// CS0145.cs
class MyClass
{
   const int i;   // CS0145
   // try the following line instead
   // const int i = 0;

   public static void Main()
   {
   }
}