public ActionResult Edit(SpecialtyViewModel model)
        {



            try
            {
                var svc = new SpecialtyAppService();

                var o = new Specialty
                {
                    SpecialtyId= model.SpecialtyId,
                    Name = model.Name,
                    

                };

                if (model.Action == "-1")
                {
                    var exist = svc.GetSpecialty(model.SpecialtyId)!=null;
                    if (!exist)
                    {
                        svc.AddSpecialty(o);
                        ViewBag.Feed = 0;
                    }
                    else
                    {
                        model.Action = "-1";
                        ViewBag.Feed = 3;
                        return View(model);
                    }
                }
                else
                {
                    o.SpecialtyId= model.SpecialtyId;
                    if (model.IsDeleteAction == 0)
                    {

                        svc.SaveSpecialty(o);
                    }
                    else
                    {
                        svc.RemoveSpecialty(model.SpecialtyId);
                    }
                    ViewBag.Feed = 0;
                }
            }
            catch (Exception)
            {
                ViewBag.Feed = 1;

            }

            return View(model);
        }