public JsonResult ListVideoYeuThich()
        {
            var bh = new VideoYeuThichDAO();

            if (Session["taikhoan"] != null)
            {
                var id   = ((NguoiDung)Session["taikhoan"]).IdNguoiDung;
                var list = bh.LitVideoYeuThich(id);
                return(Json(list, JsonRequestBehavior.AllowGet));
            }

            return(Json("error", JsonRequestBehavior.AllowGet));
        }
        public JsonResult AddVideoYeuThich(int id)
        {
            var video = new VideoYeuThich();

            video.IdVideo     = id;
            video.IdNguoiDung = ((NguoiDung)Session["taikhoan"]).IdNguoiDung;
            VideoYeuThichDAO v = new VideoYeuThichDAO();
            var ktra           = v.KiemTra(id, ((NguoiDung)Session["taikhoan"]).IdNguoiDung);

            if (ktra)
            {
                v.Add(video);
            }
            else
            {
                v.Delete(id, ((NguoiDung)Session["taikhoan"]).IdNguoiDung);
                return(Json("delete", JsonRequestBehavior.AllowGet));
            }

            return(Json("sucess", JsonRequestBehavior.AllowGet));
        }