ASP.NET AJAX: How Do I: Determine Whether an Asynchronous Postback has Occurred?
The Page_Load method of an ASP.NET Web form will execute during either a standard full-page postback or an asychnronous partial-page postback. In this video we learn how we can use the ASP.NET AJAX ScriptManager to determine whether an UpdatePanel postback has occurred, which allows us to conditionally execute code.
Presented by Joe Stagner
Date: 25 July 2007