Thank you for contacting Syncfusion support.
Based on the provided information, we have checked the mentioned issue “DataGrid Grouping Collapse and Expand icon not visible” with V126.96.36.199 in Xamarin.Forms and we unable to replicate the issue from our end. We have checked by collapsing and expanding the Grouping and with scroll as well, working fine in all platforms.
Please find the tested sample for your reference,
Sample link: GridGroupingSamplePlease check the sample and let us know if you still facing the same issue? If not, please modify the sample based on your scenario and revert us with replication procedure along with the following details.
· Xamarin.Forms Version and Syncfusion update version
· Device configuration details
· Issue reproducing video (if possible)
It will be helpful for us to check on it and provide you the solution at the earliest?
Subburaj Pandian V