Asp.Net

Question

Hi Friends

 

               How to display Alert msg in Asp.net Web Application.. ??
               i have to delete some Item.
               after pressing delete button, it should show alert msg..
               if i press yes, it should delete

               if it is no, then do nothing..

               i have delete functions..
               i want Alert msg in asp.net as in msgbox in C# ..

               pls help me..
               Thnks in Advance