public static bool Insert(MemberFavorites mf)
 {
     using (FotografPaketiEntities db = new FotografPaketiEntities())
     {
         try
         {
             if (IsFavoriteExist((int)mf.MemberId, (int)mf.PhotographerId))
                 return false;
             mf.DeleteStatus = false;
             db.MemberFavorites.Add(mf);
             db.SaveChanges();
             return true;
         }
         catch (Exception ex)
         {
             return false;
             throw;
         }
     }
 }
 public static bool Update(MemberFavorites mf)
 {
     using (FotografPaketiEntities db = new FotografPaketiEntities())
     {
         try
         {
             db.Entry(mf).State = System.Data.Entity.EntityState.Modified;
             db.SaveChanges();
             return true;
         }
         catch (Exception ex)
         {
             return false;
             throw;
         }
     }
 }