Microsoft AJAX Library Essentials: Client-side ASP.NET AJAX 1.0 Explained (repost)

A practical tutorial to using Microsoft AJAX to enhance the user experience of your ASP.NET web applications covering the most up to date versions of the AJAX tools. This book has been written for ASP.NET developers entering the world of the ASP.NET AJAX Framework, and for existing ASP.NET AJAX developers looking for a more detailed tutorial on the client-side of the framework: the Microsoft AJAX Library.