Hi Keller,
Thanks for your interest in Syncfudion Products.
We are unable to reproduce the issue with the details provided, I have attached the sample I used to test the behavior under the following link.
Could you please modify the sample to demonstrate the behavior and sent it to us. Please let us know the Syncfusion Version in which you are using the specified controls. We would be glad to help you on this.
[Sample Link]
http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=Sample_1388516146.zipPlease let us know if you need any other details.
Regards,
Iniyen M.A.