public ActionResult Index(string searchString, int?page)
 {
     if (Session["MaTKAdmin"] == null)
     {
         return(RedirectToAction("Login", "Admin"));
     }
     else
     {
         try
         {
             QuanLyTinTuc model = new QuanLyTinTuc()
             {
                 DanhSachTinTuc = KhoiTao(searchString, page)
             };
             return(View(model));
         }
         catch (Exception)
         {
             return(RedirectToAction("Index"));
         }
     }
 }
 public ActionResult ThemTinTuc(QuanLyTinTuc qltt, HttpPostedFileBase file, string submit, int id, string hdimg)
 {
     if (Session["MaTKAdmin"] == null)
     {
         return(RedirectToAction("Login", "Admin"));
     }
     else
     {
         try
         {
             ShopEntities shop = new ShopEntities();
             if (submit == "Thêm")
             {
                 file = file ?? Request.Files["file"];
                 if (file != null && file.ContentLength > 0)
                 {
                     var fileName = Path.GetFileName(file.FileName);
                     if (fileName != null)
                     {
                         var path = Path.Combine(Server.MapPath("~/Images/TinTuc/"), fileName);
                         file.SaveAs(path);
                     }
                     TinTuc tt = new TinTuc();
                     tt.TieuDe     = qltt.TinTuc.TieuDe;
                     tt.AnhDaiDien = "/Images/TinTuc/" + fileName;
                     tt.MoTa       = qltt.TinTuc.MoTa;
                     tt.NgayTao    = DateTime.Now;
                     tt.ChiTiet    = qltt.TinTuc.ChiTiet;
                     tt.LuotXem    = 0;
                     shop.TinTucs.Add(tt);
                     shop.SaveChanges();
                 }
             }
             if (submit == "Sửa")
             {
                 file = file ?? Request.Files["file"];
                 if (file != null && file.ContentLength > 0)
                 {
                     var fileName = Path.GetFileName(file.FileName);
                     if (fileName != null)
                     {
                         var path = Path.Combine(Server.MapPath("~/Images/TinTuc/"), fileName);
                         file.SaveAs(path);
                         var tt = shop.TinTucs.Single(s => s.MaTinTuc == id);
                         tt.TieuDe     = qltt.TinTuc.TieuDe;
                         tt.AnhDaiDien = "/Images/TinTuc/" + fileName;
                         tt.MoTa       = qltt.TinTuc.MoTa;
                         tt.ChiTiet    = qltt.TinTuc.ChiTiet;
                         shop.SaveChanges();
                     }
                 }
                 else
                 {
                     var tt = shop.TinTucs.Single(s => s.MaTinTuc == id);
                     tt.TieuDe     = qltt.TinTuc.TieuDe;
                     tt.AnhDaiDien = hdimg;
                     tt.MoTa       = qltt.TinTuc.MoTa;
                     tt.ChiTiet    = qltt.TinTuc.ChiTiet;
                     shop.SaveChanges();
                 }
             }
             // KhoiTao();
             QuanLyTinTuc model = new QuanLyTinTuc()
             {
                 DanhSachTinTuc = KhoiTao("", 1)
             };
             return(View("Index", model));
         }
         catch (Exception)
         {
             return(RedirectToAction("Index"));
         }
     }
 }