Hi DR,
You can do this by overriding the OnInitializeSections method of the GridGroup class and CreateChildTable / GridChildTable class. When you add the CreateSummarySection before the CreateRecordsDetails or CreateGroupsDetails section then the Summary row will be shown before the details. This will assist you to point the summary row above all the rows. Doing this will also freeze the summary row from getting scrolled.
Here is a sample that show this
http://websamples.syncfusion.com/samples/Grid.Windows/F68546/main.htmSee, the below forum thread for placing multiple summary at top:
http://www.syncfusion.com/support/forums/message.aspx?MessageID=48942Please let me know if this helps
Regards,
Nagaraj