// GET: AppointmentMessages/Create
        public ActionResult Create()
        {
            PatientService patientService = new PatientService();

            ViewBag.IdPatient = new SelectList(patientService.GetList(), "Id", "FirstName");

            ViewBag.IdAppointmentType = new SelectList(AppointmentTypeService.GetList(), "Id", "Name");

            return(View());
        }
        // GET: AppointmentMessages/Edit/5
        public ActionResult Edit(Guid?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }

            AppointmentMessage appointmentMessage = _appointmentService.GetById(id.Value);

            PatientService patientService = new PatientService();

            ViewBag.IdPatient = new SelectList(patientService.GetList(), "Id", "FirstName", appointmentMessage?.IdPatient);

            ViewBag.IdAppointmentType = new SelectList(AppointmentTypeService.GetList(), "Id", "Name", appointmentMessage?.IdAppointmentType);

            if (appointmentMessage == null)
            {
                return(HttpNotFound());
            }
            return(View(appointmentMessage));
        }