Hello
Todd,
Thank you for contacting us.
It seems the issue may be related to the
DataKeyNames property of the MasterTableView configuration. In this property you should identify the primary key fields for the items displayed in a Radgrid control. For example if you have a grid in which you want to display the Categories from the Sofia Car Rental example, you should set the DataKeyNames property to "CategoryID" like this:
I hope you find this information helpful.
Regards,
Simeon Simeonov
Telerik
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