How to maintain the state of the tree across postback

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Sharath posted over 16 years ago

Hi,

I am currently using an UltraWebTree (8.1) in a Sharepoint site. I have enabled LoadOnDemand property.

Whenever there is a postback happening due to this DemandLoad event, the state of the tree is not maintained. In short it collapses. I am not enclosing any of the controls under the hood of update panel.

What is the property that needs to be set to maintain the state of the tree across the postback? Also Is is any clientside alternative for doing the same?

Thanks

Sharath

110

Sharath posted over 16 years ago in reply to [Infragistics] Rumen Stankov

Thaks a lot. I have been able to get it working with Automatic Smart CallBacks.

Thanks
Sharath
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[Infragistics] Rumen Stankov posted over 16 years ago

Hello Sharath,
Indeed, this is a side effect of the Load On Demand modes - state is not persisted automatically. You can find detailed description of this problem and several suggestions that can work fine your scenario in the following DevCenter KB article:
PRB:State of new nodes is lost when using ManualSmartCallbacks for WebTree
http://devcenter.infragistics.com/Support/KnowledgeBaseArticle.aspx?ArticleID=9685
Hope this helps.
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