Java Script Popup confirm in ASP.Net

Question

Dear All,

I have one problem want all of you help me. I create web application that have page for insert, update ,delete button. but when I delete data I want have popup message box for confirm by using JavaScript. If they click Ok data will delete but when they click cancel data not delete. I try to find more code in website but not have solution. please help me do solve it.

Thank advance.

Mala