Filltiring data in a dropdown2 with a value of dropdown1

[aboomar10]

i have two ddlist that will be bounded to datasources on page load, but i
want the second ddlist to be filtered by the selected value in the frist
ddlist with out going back to the server

 

[Robert Koritnik]

Javascript is one of the answers. the other is remote script call
(javascript again) to a web service. If your data is not so very complicated
I suggest you use the first approach.