URl Routing

Refer these below URLS

 

http://msdn.microsoft.com/en-us/library/cc668201.aspx 

 

http://msdn.microsoft.com/en-us/magazine/dd347546.aspx 

 

http://weblogs.asp.net/scottgu/archive/2009/10/13/url-routing-with-asp-net-4-web-forms-vs-2010-and-net-4-0-series.aspx