Hi Diane White,
Thanks for using our Syncfusion products.
Could you please follow this KB article to upgrade the projects in new Syncfusion version?
http://www.syncfusion.com/support/kb/2137If you still face the problem after following the above procedure.
Could you please share your sample project so that we can help you to resolve your problem?
Please let me know if this helps you.
Regards,
Vinoth M