Hi Vojo
Greetings from syncfusion support.
Query: Excel Filtering is not worked
We have prepared sample at our end and tried to reproduce the reported behavior at our end but we unable to reproduce the reported issue at our end.
Please find the below sample for your reference.
If you still face the same issue, please share the below details to validate further with this.
1. In your code example we found that you have used dataStateChanged and dataSourceChanged events. So, please confirmed have you used custom binding to the Grid?
2. Share the code example of data binding to the Grid.
3. Share the Syncfusion package version.
4. If possible, share the issue reproducible sample or make the issue in the given sample.
Regards,
Vignesh Sivagnanam