public ActionResult Insert(AdminDanhMucModel DM)
        {
            try
            {
                dbFirstStepDataContext db = new dbFirstStepDataContext();
                EntityDanhMuc ban = new EntityDanhMuc();
                ban.TenDM = DM.TieuDe;
                ban.IdRoot = DM.IdRoot;
                db.EntityDanhMucs.InsertOnSubmit(ban);
                db.SubmitChanges();

                return RedirectToAction("Index", "AdminDanhMuc");
            }
            catch
            {
                return RedirectToAction("Index", "Error");
            }
        }
        public ActionResult _TrangChu_Item_Trend_Category(EntityDanhMuc idtrend, int hinhnen, string loai, int catnumber)
        {
            ViewBag.loai = loai;
            ViewBag.hinhnen = hinhnen;
            ViewBag.catnumber = catnumber;
            if (idtrend.IdRoot==1)
            {
                ViewBag.Ten ="Dự án của "+ idtrend.TenDM.ToString();
                ViewBag.LinkViewMore = "/du-an?option=-category=" + idtrend.Id+ "-blend=0-";
                return PartialView(DuAnModel.GetDuAn_TrangChu(1, idtrend.Id));
            }
            else
            {

                ViewBag.LinkViewMore = "/du-an?option=-category=0-blend="+ idtrend.Id + "-";
                ViewBag.Ten = idtrend.TenDM;
                return PartialView(DuAnModel.GetDuAn_TrangChu(2, idtrend.Id));
            }
        }