public ActionResult PacketCategoryEdit(int id)
        {
            if (_servicePacketsExtraProductCategories.GetById(id).EntityToModel() != null)
            {
                ViewBag.Kategoriler = _serviceExtraProductCategories.GetAll().Where(x => x.IsActive == true).Select(x => new SelectListItem {
                    Text = x.Name, Value = x.Id.ToString()
                }).ToList();

                ViewBag.Paketler = _servicePackets.GetAll().Where(x => x.IsActive == true).Select(x => new SelectListItem {
                    Text = x.Name, Value = x.Id.ToString()
                }).ToList();


                return(View(_servicePacketsExtraProductCategories.GetById(id).EntityToModel()));
            }
            else
            {
                return(RedirectToAction("PacketCategoryList"));
            }
        }