I want to click sound to the button in asp.Net .But I didnt figure out how .Could you please help me . İn my asp.Net web application I want special button . When I hover on it I'd like to my button sounds like " click "or a little soundfile start . How to do it I don't know .

You can't, asp.net is a SERVER-SIDE operation that is completed LONG before the user starts their mouse moving around the rendered document.