Put If(!IsPostback) condition in page load event.So that when selectedindex changed event occurs it doesn't load the dropdown box again.

Hi Have a look at links shown below , hope it will help: Look at the walkthrough here: http://msdn.microsoft.com/library/d...ingWebForms.asp These quickstart samples also do a good job of showing the basic underlying concepts: http://msdn.microsoft.com/library/d...ocalization.asp You might also find the presentation here useful: http://www.microsoft.com/india/msdn.../downloads.aspx (look for "Building applications with localization in mind")

U can check at www.asp.net in which there were some artciles about n tier architecture