A big problem I faced with this approach is that value types in C# are significantly restricted as compared to reference types. See here for details: http://so

A big problem I faced with this approach is that value types in C# are significantly restricted as compared to reference types. See here for details: http://social.msdn.microsoft.com/Forums/en/csharplanguage/thread/47d10fcb-2d69-451a-bb97-023f1f9113f3 http://social.msdn.microsoft.com/Forums/en/csharplanguage/th... They got lucky that their Customer type was simple enough.