title: Why can't static method in non-static class be an extension method?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2731695/extension-method-requires-class-to-be-static">extension method requires class to be static</a>  </p>
  </blockquote>
  
  
  
  <p>In .NET:</p>
  
  <p>Why can't <strong>static method</strong> in <strong>non-static class</strong> be an extension method?</p>