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Saving Check with WebService on demand load

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This is a migrated thread and some comments may be shown as answers.
erato
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erato asked on 24 Aug 2010, 03:00 PM
I'm trying to figure out the best way to store the check state of nodes.  I have the treeview being populated using a Web Service.  I've got the treeview populating child nodes on selection of parent in javascript.  

The particular scenerio I'm havving issue with is:
1.   Expand a parent node
 2.  Check some children
3.   Collapse parent node
4.  Reopen parent node & the selections are cleared (because they're reloaded in the web service)

I will also need to get all the checked values, regardless if they're expanded or not.

I have roughly 4,000 child nodes that are populated, so server-side code is really not an option.  Can I store the checked state in the web service, when an item is checked & then set the checked value on expand?

Thanks for your help.

sash

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