RadScheduleView supports exact rendering of appointments - this means that if Appointment starts at 07:17 it will be rendered at the exact same time, while RadScheduler would render this appointment at 07:15.
That is why the default drag and drop functionality changes the Start and End times per minute. However RadScheduleView supports SnapAppointments
property that you can set to True
.This will provide the desired behavior.
More about RadScheduleView Drag and Drop functionality you can read here
All the best,
the Telerik team
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