Hi Jason,
We couldn't able to reproduce the issue as you mentioned. So we have attached our sample. please download our sample attached and do let us know if you are able to reproduce the issue in our sample.
Forum53240.zipBefore compile our sample, make sure that your installed version number is registered properly using register tag in .aspx file. Here we assumed that you are using 4.302.0.32 version.
Let us know if this helps.
Thanks for using Syncfusion products.
regards,
B.Gokulkumar