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GridView SelectedDataKey Error

Posted on 2007-11-28
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Last Modified: 2013-11-07
I have used this on tons of gridviews

Session("ScheduleID") = CaseEventsGridView.SelectedDataKey.Value

This time I am getting an error
System.NullReferenceException: Object reference not set to an instance of an object.
I cannot understand why it is null?  THere is data in the grid and I can see the ID.

Please help!!
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Question by:vzorn
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RedKelvin earned 500 total points
ID: 20371146
This will happen if the dataKeyNames are not set, or no row is selected
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by:vzorn
ID: 20375088
I see.  I was using the RowCommand event and I needed to get the row first.

Thanks
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