public IHttpActionResult CancelAppointment([FromBody] CancelAppointmentDTO cancelAppointment)
{
AppointmentLogic appointmentLogic = new AppointmentLogic();
var AffectedRow = appointmentLogic.CancelAppointment(cancelAppointment.ID, cancelAppointment.CurrentUserID);
if (AffectedRow == 0)
{
NotFound();
}
return(Ok(AffectedRow));
}