We commend setting the visibility in the AppointmentDataBound event. Here is a sample code that worked properly for resources with Key equal to 1 that I added to our on-line demo and worked properly:
sender, SchedulerEventArgs e)
Hope this will be helpful.
the Telerik team
If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their blog feed