why constructor like public Exception(string message) has NO curly bracket in C# ?

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  Hi,
  As you can see from the below codes, the constructors have no curly bracket({}) implemented on them. This class is belong to C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorlib.dll assembly. When I try to implement my own class and declare my own constructor without the curly bracket, I got this error message "must declare a body because it is not marked abstract, extern, or partial". I just wonder why most Exception class from Microsoft can implemented this but we can't create for the custom class ? Is it possible to create the constructor without the curly bracket ?

  
  public class Exception : ISerializable, _Exception

  {

   

  public Exception();

   

  public Exception(string message);

   

  public Exception(string message, Exception innerException);

   

  }

   Thanks for your answer.

  Friday, July 30, 2010 3:13 AM