Hi Asep,
Thank you for contacting Syncfusion support.
We have analyzed your requirement of “how to display data row by group, with example by group id”. We have already logged the feature request for the same. We will implement this feature in any of our upcoming releases. We will let you know once this feature is rolled out. We appreciate your patience until then. Also, you can refer to the following feedback for further follow up,
If you have any more specification/suggestions to the feature request, you can add it as a comment in the portal and cast your vote to make it count.
Regards,
Sangeetha Raju.