Client-side Programming Overview
RadLinkButton provides a flexible client-side API. You can easily interact with the button in the browser using the RadLinkButton client-side object and take advantage of the full set of client-side events.
Getting the RadLinkButton Client-side object
RadLinkButton creates a client-side object with the ClientID of the button. You can obtain the reference using the following JavaScript code:
var button = $find("<%= RadLinkButton1.ClientID %>");
var button = $telerik.findLinkButton("<%= RadLinkButton1.ClientID %>");