Hello,
Thank you for the project and the video. I was able to reproduce the behavior with it. Actually, after some further investigation, I came across the following thread where a solution to the problem is provided -
https://www.telerik.com/forums/can-you-turn-off-ui-virtualization#rHyX0PVnskCX4l0Lmy7kZg. Basically, you can take the following approach in order to avoid the issue:
We have the issue logged as a bug and you can track its progress on the following link -
https://feedback.telerik.com/xamarin/1366379-datagrid-columnheaders-are-inaccurately-visualized-when-headercontenttemplate-is-set-and-horizontal-scrolling-is-performed. I have increased its priority as per your report.
I hope the information provided will be useful.
Have a great rest of the week.
Regards,
Stefan Nenchev
Progress Telerik
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