public ActionResult XoaGiaoVien() { if (!HttpContext.User.Identity.IsAuthenticated) { return RedirectToAction("DanhSachGiaoVien", "GiaoVien"); } if (HttpContext.Request["id"] == null || HttpContext.Request["id"].Equals("")) return RedirectToAction("DanhSachGiaoVien", "GiaoVien"); int id = Int32.Parse(HttpContext.Request["id"]); G9Service.G9_Service ws = new G9Service.G9_Service(); bool result = ws.XoaGiaoVien(id); return RedirectToAction("DanhSachGiaoVien", "GiaoVien"); }