Hi Michale,
Thanks for contacting Syncfusion support.
We are unclear about your reported issue and tried to reproduce the reported issue at our end. Could you please share the following details?
1) Issue replication procedure.
2) Any script error thrown in console window while dragging the last row? If so, provide details.
3) Share the screenshot of the issue or share the issue video.
4) As you have mentioned about “Original ID” in Grid. Please share the details for this.
5) A sample if possible or modified the given sample as issue reproducible?
Regards,
Venkatesh Ayothiraman.