Hi Denny,
Thank you for your interest in Syncfusion products.
I am afraid that I am not able to reproduce the problem in v9.1.0.20. I have placed my test sample in the following link.
F983141366542263.zipCould you please try running it and if you still see the problem, send me the modified sample so that I can check and get back to you?
Regards,
Geetha