Monday, March 26, 2012

UpdatePanel + Infragistics Treeview

I am trying to create a very simple UpdatePanel + Treeview page. The data is initally loaded (via code, recursive nodes added in code behind) the tree loads fine.

As soon as I click on a node (and capture the NodeClick event) the Tree view stops working and reports a Javascript error. "Microsoft JScript runtime error: 'undefined' is null or not an object"

Has anyone seen this before? Do the Infragistic controls not work with Atlas?

Thanks in advance.

Are you using the Tree's Automatic SmartCallback LoadOnDemand behavior, or Manual LoadOnDemand? I would recommend using the Tree's own AJAX enabled LoadOnDemand functionality, even inside of the UpdatePanel, since you really only need to update the tree. If you still have difficulty, please contact Infragistics Developer Support (http://devcenter.infragistics.com)

Also, if you have a valid Subscription, we are about to release our 2006 Volume 2 Beta. We've made some changes in order to better support Atlas, and it would be great if you could validate whether it fixes your current problems or not.

-Tony

Anthony Lombardo
Infragistics, Inc.
Product Manager | NetAdvantageASP.NET

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