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Bad DataItem given to usercontrol in edit mode

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Brad
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Brad asked on 01 Feb 2009, 01:28 AM
I've got a UserControl that I want to use as the edit form inside a grid. The DataItem is a structure with a collection of classes inside. When I click the Edit button to bring up the grid the DataItem I get is fine, but then when I click the button that fires the UpdateCommand event the DataItem I receive a DataItem without any of the classes that should be inside it (the collection in the structure is null).

I also don't understand why the grid would later fire NeedDataSource *after* setting DataItem?

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Nikolay Rusev
Telerik team
answered on 02 Feb 2009, 07:30 AM
Hello Brad,

Basically DataItem has meaning in context of DataBinding. Thus on UpdateCommand DataItem is empty.  Below link demonstrates how you can use custom user control in RadGrid edit form:

Updating values using UserControl
Automatic insert, update and delete with UserControl edit form for the grid
User control edit form

Regards,
Nikolay
the Telerik team

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