protected void btnDangNhap_Click(object sender, EventArgs e) { if (IsValid) { NguoiDungDTO nguoiDung = new NguoiDungDTO(); NguoiDungBUS nguoiDungBus = new NguoiDungBUS(); nguoiDung.TenDangNhap = userName.Value; nguoiDung.MatKhau = passWord.Value; nguoiDungBus._nguoiDung = nguoiDung; nguoiDungBus.LoginWithAdmin(); if (nguoiDungBus.IsAuthenticated) { FormsAuthentication.SetAuthCookie(nguoiDung.TenDangNhap, false); FormsAuthentication.RedirectFromLoginPage(nguoiDung.TenDangNhap, false); Response.Redirect("~/admin/sanpham"); } } }