UpdatePanel Data Transfer and the beginRequest and endRequest client side page life cycle events - Microsoft AJAX Library and ASP.NET 2.0 AJAX Extensions Thursday, November 2, 2006 AJAX asp.net 2.0 ajax extensions asp.neTt Atlas microsoft ajax library 1 Comment Cross posted from: http://morewally.com/cs/blogs/wallym/archive/2006/11/01/470.aspx Read more...