How to process dropdownlist control but not send it to the server?

Question

I have two dropdownlist controls. When I choose a item of ddl control first then the second ddl control will show items corresponding to the first one. E.g when I choose a country in first ddl then the second one will show citys of this country. I think it is possible if use jQuery. But I don't known to do that. Help ladies and gentlments. Thanks

vinay singh · Answer

Hi User JavaScript Http Request for populating data. OR U can use update panel. Thanks & Regards Vinay Singh

tuanbs · Answer

But when ItemIndexChanged event is called then the web page will be process in the server (it making the web run slowly). I want it get data but don't send the web in the server.

Kirtan Patel · Answer

Friend  When you Selected First Item From First dropdownlist Change the DataSource of Second DropDownList Accrding to the 1st dropdownlist selected value . Write Code in dropdownlist 1's SelectedIndexChanged() Event to fill DropDownList 2 with Select Query filtered by DropDownList1 Hope this will help you if it helps you please check  Do you like this answer check Box :)