public ActionResult DeleteCTHD(bool confirm, int idCTHD) { if (Session["TaiKhoan"] == null) { return(View("../DangNhap/Index")); } else { if (confirm == true) { HoaDonDAO dao = new HoaDonDAO(); dao.DeleteCTHD(idCTHD); var tk = Session["TaiKhoan"] as KhachHang; var hd = dao.FindHD(tk.MaKH); if (hd != null) { Session["ListCTHD"] = dao.GetListCTHD(hd.MaHD); } } return(View("Index")); } }