Hi Fred,
Thank you for posting query to us.
Hierarchical view with the GridGroupingControl Please refer the samples in the sample browser in the below location:
\\Syncfusion\EssentialStudio\6.2.0.40\Windows\Grid.Grouping.Windows\Samples\2.0\RelationsAndHierarchy
Virtual mode in GridGroupingControl http://www.syncfusion.com/support/Forums/message.aspx?&MessageID=54150http://www.syncfusion.com/support/forums/message.aspx?MessageID=52657Please let me know if this helps.
Regards,
Jisha