Hi L.R,
Thanks for choosing Syncfusion Products.
Yes, it is possible to have the Grouping function in GridDataControl. We have created the sample for your requirement . Please find the sample in the following link.
Sample Link:
http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=Group table1883628397.zip
Please let us know if you need more information.
Thanks,
Karthick