How to prevent page being postbacked when i transfer item from one listbox to other

Question

I have two listboxes in my application on button click i am pushing the item from one list box to other , the code works fine but it causes postback , while i move the item from

Answer 1

Take the time to look into using jQuery along with Microsoft's Ajax with Update Panels or moving into jQuery exclusively where possible. Here are two links that are excellent reads regarding the subject:

Microsoft Ajax? http://encosia.com/why-aspnet-ajax-updatepanels-are-dangerous/

jQuery Ajax: http://net.tutsplus.com/tutorials/javascript-ajax/5-ways-to-make-ajax-calls-with-jquery/