after a couple of days of looking for a solution to my problem, I hope you'll be able to help me.
I am getting the "Cannot deserialize" error when attempting to add a new row in my child band.
Here is my aspx:
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…