http://blogs.msdn.com/davidebb/archive/2008/05/25/dynamic-data-ajax-and-javascript-errors.aspxThe default Dynamic Data application uses AJAX partial rendering (using an UpdatePanel ), which make browser post backs feel smoother.&#160; One downside is that it can also make it harder to diagnose some error conditions. Specifically, while using youren-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/davidebb/archive/2008/05/25/dynamic-data-ajax-and-javascript-errors.aspx#9432269Wed, 18 Feb 2009 22:36:49 GMT91d46819-8472-40ad-a661-2c78acb4018c:9432269Ricka on Dynamic Data<p>Please post corrections/new submissions to the Dynamic Data Forum . Put FAQ Submission/Correction in</p>