URLs like facebook in ASP.Net

You are asking same question in multiple threads. I already gave you solution how to fetch the behcode from address bar and the  use it to populate data

http://www.aspforums.net/Threads/413265/Allow-only-valid-Data-in-URL-Routing-ASPNet/Replies/3#Replies

It is requested that you stick to one thread rather than posting new threads for same topic as it will make difficult for you to get answer