Overloading Controller Actions in ASP.NET MVC

Method overloading is very common technique used in C# code. Although it works great for normal C# classes, the same can't be said about ASP.NET MVC controller classes. Unlike an ordinary C# class, a controller is dealing with HTTP protocol. And HTTP doesn't understand overloading as C# does. So, in case you wish to use method overloading in a controller you need to consider the ways as discussed in the remainder of this article.

http://www.binaryintellect.net/articles/8f9d9a8f-7abf-4df6-be8a-9895882ab562.aspx