The previous three articles in this series focused on building AJAX-enabled web applications using server-side techniques and controls. For instance,
Using the UpdatePanel examined how to define regions on the page that participate
and are updated by partial page postbacks; Providing Visual Feedback with the UpdateProgress
Control showed how to use the UpdateProgress control to display feedback during a long-running partial page postback.
The ASP.NET AJAX Framework also includes a rich client-side library and event model that enables page developers to create and execute client script
and event handlers that integrate with the ASP.NET AJAX Framework. This article starts our examination of client-side development with the ASP.NET AJAX
Framework. In particular, it examines the client-side
PageRequestManager object, which includes methods and events tied to the partial page
postback mechanism. In a nutshell, we can use the
PageRequestManager object to execute client-side script immediately before or after a partial
This article discusses the basics of the client-side
PageRequestManager object and includes examples that show how to abort and cancel partial page postbacks
as well as how to scroll to a particular location on screen after a partial page postback completes. These working demos are available for download at the end of
this article. Read on to learn more!
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