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[Solved] Invalid JSON primitive: undefined

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This is a migrated thread and some comments may be shown as answers.
QualiWareUA
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QualiWareUA asked on 30 Apr 2008, 07:48 PM
Hello,

Description: there is a splitter on the form with tree view in the left pane and grid view in the right. Clicking the node in the tree view updates the grid view.

Problem: when tree view node are clicked quickly, the following error occurs:

Sys.WebForms.PageRequestManagerServerErrorException: Invalid JSON primitive: undefined.

Disabling the form and controls during the request does not seem to help.

If anybody could help, I would very much appreciate!

PS I could attach a sample project, but I cannot find how to do this.

No answers yet. Maybe you can help?

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