Though I am not completely aware of the approach you are using so that the reported behavior is reproduced, you can remove the needed occurrence by utilizing the Remove method of the control. The topic is discussed in greater detail in the Delete Appointment
article. Can you please take a look at it?
Another approach would be to use the DeleteAppointment
command. The list of available commands of the control is available here:Commands
Would such an approach be working for you or I am missing something?
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