public static bool Update(PhotographerCities pc)
 {
     using (FotografPaketiEntities db = new FotografPaketiEntities())
     {
         try
         {
             db.Entry(pc).State = System.Data.Entity.EntityState.Modified;
             db.SaveChanges();
             return true;
         }
         catch (Exception ex)
         {
             return false;
             throw;
         }
     }
 }
 public static bool Insert(PhotographerCities pc)
 {
     using (FotografPaketiEntities db = new FotografPaketiEntities())
     {
         try
         {
             if (IsExist((int)pc.PhotographerId, (int)pc.CityId))
                 return false;
             db.PhotographerCities.Add(pc);
             db.SaveChanges();
             return true;
         }
         catch (Exception ex)
         {
             return false;
             throw;
         }
     }
 }
 public JsonResult AjaxInsertCity(int pid,int cityId)
 {
     PhotographerCities pc = new PhotographerCities();
     pc.PhotographerId = pid;
     pc.CityId = cityId;
     bool result = PhotographerCitiesBml.Insert(pc);
     return Json(result, JsonRequestBehavior.AllowGet);
 }