Hi Anton,
Greetings from Syncfusion.
We have checked the reported problem ”ShowStripLines not working when changing it dynamically” and confirmed it as a bug. So, we have logged a bug report for this issue. You can keep track of the bug from the feedback portal below.
Link: https://www.syncfusion.com/feedback/29245
NOTE: The provided feedback link is private, and you need to login to view this feedback.
We will include the fix in the next weekly NuGet which is expected to be released on October 12, 2021. We appreciate your patience until then. If you have any more specification/precise replication procedure or a scenario to be tested, you can add it as a comment in the portal.
Regards,
Eswaran.