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Runtime Exception
posted

I'm trying to bind a HierarchicalDataGrid to a HierarchicalDataSource. The data source is composed of two objectdatasources. When I set the InitialDataBindDepth = 1 I can expand an see the child band. But when I set the InitialDataBindDepth = 0 and expand I get an error message that reads:

Runtime Exception: No child grid script descriptors are available!

Attached is the code I'm using. Any assistance on resolving would be appreciated.

 

Thanks