http://bhaidar.net/cs/archive/2007/05/02/microsoft-asp-net-ajax-request-life-cycle.aspxI have recently started reading about ASP.NET AJAX. I have been always writing the AJAX code manually using the XMLHttpRequest object and other third-party great controls like the Telerik control! I decided to work with the FREE Microsoft ASP.NET AJAX.enCommunityServer 2.1 SP2 (Build: 61129.1)