Thank you for writing back.
The observed behavior appears to be a limitation of the standard .NET
grid which fails to bind to a System.Collections.Generic.HashSet<T> which is the actual type of the retrieved result. A similar question has also been discussed here: https://stackoverflow.com/questions/32429085/how-to-use-hashset-as-datasource-in-datagridview-using-inotifypropertychanged
In this case, I can suggest using RadGridView
which you would be able to bind just as in the example project. If that is not suitable for your actual scenario you can bind the DataGridView this way:
sender, Telerik.Pivot.Core.DrillDown.DrillDownCompletedEventArgs e)
(e.InnerExceptions.Count == 0)
> data = e.Result
.dataGridView1.DataSource = data.ToList();
(e.InnerExceptions.Count == 1 && e.InnerExceptions.GetType() ==
"Please Refresh the Data Provider."
I hope this helps. Should you have further questions please do not hesitate to write back.
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