Forms Data Controls :: Getting Data Does Not Correspond To Valid JSON Error?

Apr 14, 2010

I have an Infragistics WebDataGrid on a user control. I add that user control programmatically to an UpdatePanel on a Content Form. Everything works great. I get data in the grid just fine. However, when I go to click any of the grid functions (Sort, Filter, Page, etc.) it throws a Sys.ArgumentException in one of the ScriptResource.axd dynamic files.

Here is the error:

"Microsoft JScript runtime error: Sys.ArgumentException: Cannot deserialize. The data does not correspond to valid JSON. Parameter name: data"

It stops in the following function:


I read about other people having this issue and they said it was due to dates or due to double quotes ("") being in strings? I am binding this datagrid to an Entity Data Framework object query like this.


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