Thank you for writing.
I tried your case and I found that you need to create converter callback methods that convert the database type int to EventID and vise versa. In your scheduler add the following mapping for the ResourceId in the AppointmentMapping info object:
SchedulerMapping schedulerMappingResourceId = appointmentMappingInfo1.FindBySchedulerProperty(
If you have problems, please take a look at the attachment. I think it will help you.
I you have other questions feel free to contact us.
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