Hi !!Can i attach a RequiredFieldValidator to dropdownlist in asp.net2.0?i want to make it mandatory for the user to select an option from thedropdownlist. i can validate it by writing code in my code-behind file, but can i have the dropdown validated at the client side only? Just like we validate a textbox by a requiredfieldvalidatoron client side.All Answers Are Welcome.Happy Coding :)