public ActionResult Create(Advert Adverts, HttpPostedFileBase Images1, HttpPostedFileBase Images2, HttpPostedFileBase Images3)
        {
            HttpContext.Server.ScriptTimeout = 1000;
            if (ModelState.IsValid)
            {
                User user = new User();

                user = dbMuaChung.Users.Where(x => x.Username == User.Identity.Name).FirstOrDefault();
                Adverts.UserId = user.UserId;
                Adverts.Views = 123;
                Adverts.Created = DateTime.Now;
                if (Images1 != null)
                {
                    string name = System.IO.Path.GetFileName(Images1.FileName);
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/Adverts/"), name);
                    Images1.SaveAs(path);
                    Adverts.Images1 = Images1.FileName;
                }
                if (Images2 != null)
                {
                    string name = System.IO.Path.GetFileName(Images2.FileName);
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/Adverts/"), name);
                    Images2.SaveAs(path);
                    Adverts.Images2 = Images2.FileName;
                }
                if (Images3 != null)
                {
                    string name = System.IO.Path.GetFileName(Images3.FileName);
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/Adverts/"), name);
                    Images3.SaveAs(path);
                    Adverts.Images3 = Images3.FileName;
                }

                var AdvertId = dbMuaChung.Adverts.Where(p => p.AdvertId == Adverts.AdvertId).Count();
                if (AdvertId > 0)
                {
                    ModelState.AddModelError("", "* Adverts Id Userd");
                }
                else
                {
                    dbMuaChung.Adverts.Add(Adverts);
                    dbMuaChung.SaveChanges();
                    return RedirectToAction("Index");
                }
            }
            return View(Adverts);
        }
        public ActionResult Edit(Advert Adverts, HttpPostedFileBase Images1, HttpPostedFileBase Images2, HttpPostedFileBase Images3)
        {
            HttpContext.Server.ScriptTimeout = 1000;
            if (ModelState.IsValid)
            {
                Adverts.Modified = DateTime.Now;
                if (Images1 != null)
                {
                    string name = System.IO.Path.GetFileName(Images1.FileName);
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/Adverts/"), name);
                    Images1.SaveAs(path);
                    Adverts.Images1 = Images1.FileName;
                }
                if (Images2 != null)
                {
                    string name = System.IO.Path.GetFileName(Images2.FileName);
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/Adverts/"), name);
                    Images2.SaveAs(path);
                    Adverts.Images2 = Images2.FileName;
                }
                if (Images3 != null)
                {
                    string name = System.IO.Path.GetFileName(Images3.FileName);
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/Adverts/"), name);
                    Images3.SaveAs(path);
                    Adverts.Images3 = Images3.FileName;
                }

                dbMuaChung.Entry(Adverts).State = EntityState.Modified;
                dbMuaChung.SaveChanges();
                return RedirectToAction("Index");
            }
            return View(Adverts);
        }