public IEnumerable <AppointmentBO> GetAppointments(int id)
        {
            AppointmentController appCntrlr = new AppointmentController();

            return(appCntrlr.GetAppointment(id));
        }
        public AppointmentBO BookAppointment(AppointmentBO apmntBO)
        {
            AppointmentController apmntCntrl = new AppointmentController();

            return(apmntCntrl.BookAppointment(apmntBO));
        }