Hi Fred,
Thanks for using Syncfusion products.
We have checked a sample as per your scenario and we found that it is working fine. We have recorded a video for this and please find the video and the sample from the following location.
Sample location:
http://www.syncfusion.com/downloads/Support/DirectTrac/93555/GridDataControl987361978.zipVideo location:
http://www.syncfusion.com/downloads/Support/DirectTrac/93555/Video-1076840352.zipPlease let us know if you have any queries.
Thanks,
Kannan. S