protected void Page_Load(object sender, EventArgs e) { int isLogIn; int.TryParse(Session["IsLogin"].ToString(), out isLogIn); if (isLogIn == 1) { string typeUser = Session["LoaiUser"].ToString(); if (typeUser == "Consumer") { if (!IsPostBack) { GridView1.DataSource = DonHangBUS.GetAllOrderKH(Session["User"].ToString()); GridView1.DataBind(); if (Session["mc"] != null) { muachung.Visible = true; string username = Session["User"].ToString(); GridView2.DataSource = CouponBUS.GetDHCoupon(username); GridView2.DataBind(); if (GridView2.Rows.Count <= 0) { muachung.Visible = false; } } } } else { Response.Redirect("../Shared/Default.aspx"); } } else { Response.Redirect("../Shared/Default.aspx"); } }