public ActionResult DeleteConfirmed(int id)
        {
            TraLoiBinhLuan traLoiBinhLuan = db.TraLoiBinhLuans.Find(id);

            db.TraLoiBinhLuans.Remove(traLoiBinhLuan);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        public ActionResult TraLoiBinhLuan([Bind(Include = "MaTraLoiBinhLuan,MaBinhLuan,MaNguoiDung,NoiDungTraLoi,NgayTraLoi")] TraLoiBinhLuan traLoiBinhLuan)
        {
            tbNguoiDung nd = (tbNguoiDung)Session["NguoiDung"];

            traLoiBinhLuan.MaNguoiDung = nd.MaNguoiDung;
            traLoiBinhLuan.NgayTraLoi  = DateTime.Now;
            dt.TraLoiBinhLuans.Add(traLoiBinhLuan);
            dt.SaveChanges();
            return(Redirect(Request.UrlReferrer.ToString()));
        }
        // GET: AdminQuanLyTraLoi/Delete/5
        public ActionResult Delete(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            TraLoiBinhLuan traLoiBinhLuan = db.TraLoiBinhLuans.Find(id);

            if (traLoiBinhLuan == null)
            {
                return(HttpNotFound());
            }
            return(View(traLoiBinhLuan));
        }