public ActionResult Update(Phone phone)
        {
            PhoneDAO      dao      = new PhoneDAO();
            PhotoPhoneDAO daoPhoto = new PhotoPhoneDAO();

            dao.Update(phone);
            if (Request.Files[0].ContentLength > 0)
            {
                daoPhoto.DeletePhotoOfPhone(phone.phoneID);
                for (int i = 0; i < Request.Files.Count; i++)
                {
                    HttpPostedFileBase f = Request.Files[i];
                    if (f.ContentLength > 0)
                    {
                        daoPhoto.Insert(new PhotoPhone()
                        {
                            urlPhoto = "/Image/" + f.FileName,
                            phoneID  = phone.phoneID
                        });
                        f.SaveAs(Server.MapPath("~/Image/") + f.FileName);
                    }
                }
            }
            return(RedirectToAction("Index", "ManageMobile"));
        }
        public ActionResult Insert(string phoneID1, string phoneName1, string description1, string quantity1, string price1, string discount1, string supID1)
        {
            double discount = 0;

            if (discount1.Length > 0)
            {
                discount = double.Parse(discount1);
            }
            PhoneDAO      dao      = new PhoneDAO();
            PhotoPhoneDAO daoPhoto = new PhotoPhoneDAO();
            bool          result   = dao.Insert(new Phone()
            {
                phoneID = phoneID1, phoneName = phoneName1, description = description1, price = double.Parse(price1), quantity = int.Parse(quantity1), discount = discount, supID = supID1, status = true
            });

            for (int i = 0; i < Request.Files.Count; i++)
            {
                HttpPostedFileBase f = Request.Files[i];
                if (f.ContentLength > 0)
                {
                    daoPhoto.Insert(new PhotoPhone()
                    {
                        urlPhoto = "/Image/" + f.FileName,
                        phoneID  = phoneID1
                    });
                    f.SaveAs(Server.MapPath("~/Image/") + f.FileName);
                }
            }
            return(RedirectToAction("Index", "ManageMobile"));
        }