Greetings from Syncfusion.
We are unable to reproduce the problem at our end.
We have prepared a sample with the provided code that can be referred in the following demo.
Please share the following details to analyze the problem at our end.
1) Version details
2) Complete code example of Grid with its ts page
3) Modify the given sample and send back
4) Replication procedure
Seeni Sakthi Kumar S.