Hi Jean,
Thanks for using syncfusion products.
We have prepared a sample based on your requirement and you can find the sample under the following location. Please try this sample at your side and let us know whether this meets your requirement.
Sample:
http://www.syncfusion.com/downloads/Support/DirectTrac/86425/TreeGridMinimalSample-350987356.zipThe query reported in this forum has been addressed in incident 86425. Please follow incident 86425 incident for further follow up.
Please let us know if you have any queries.
Thanks,
Jawahar.