URL Routing: Pass Id to next page via QueryString

thanks i did it and it worked but when i wrote these code in addressbar i see this address

http://localhost:1420/behtop%20website/Store.aspx

i want this

Eg:

when user type  behcode =1111 in TEXTBOX when click on button it go to store.aspx but i want in addressbar see this address

http://localhost:1420/behtop%20website/1111

instead of store.aspx  write 1111

how i can do it?

thanks