protected void MallPhoto()
        {
            int       id = Convert.ToInt32(ViewState["Pro_id"]);
            DataTable dt = ProductService.SelectID(id);

            if (dt != null && dt.Rows.Count != 0)
            {
                LVPD2.DataSource = dt;
                LVPD2.DataBind();
                ViewState["Qty"] = dt.Rows[0]["Qty"].ToString();
            }
        }
        /*商品详情*/
        private void BindProduct2()
        {
            int       id = Convert.ToInt32(ViewState["Pro_id"]);
            DataTable dt = ProductService.SelectID(id);

            if (dt != null && dt.Rows.Count != 0)
            {
                LVPD2.DataSource = dt;
                LVPD2.DataBind();

                ViewState["Pro_price"] = dt.Rows[0]["Pro_price"].ToString();
            }
        }
 protected void LVPD2_PreRender(object sender, EventArgs e)
 {
     LVPD2.DataBind();
 }