NewGCSSWeb/GoodsPutDetails.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using NewGCSS.BLL;
using System.Data.SqlClient;
using System.Collections.Generic;
using NewGCSS.Models;
namespace NewGCSSWeb.Shopping
{
    public partial class GoodsPutDetails : System.Web.UI.Page
    {
        CardTypeDetailsManager manager = new CardTypeDetailsManager();
        ShopCardManager manager2 = new ShopCardManager();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Session["count"] != null)
                {
                    //初次绑定
                    this.GridView1.DataSource = Session["count"];
                    this.GridView1.DataBind();
                    TotalMoney();
                    this.ImageButton2.Attributes.Add("onclick", "return confirm('您确定删除吗？')");
                    this.ImageButton1.Attributes.Add("onclick", "return confirm('您确定购买吗？')");
                }
                else
                {
                    this.Label4.Visible = true;
                    this.Label4.Text = "对不起，您此时的购物车为空！";

                }
            }
        }

        /// <summary>
        /// 数量更新
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            int CardTypeId = Convert.ToInt32((GridView1.Rows[e.RowIndex].Cells[1].Text.ToString()));

            //获取选中行商品的数量
            int GoodsNum = Convert.ToInt32(((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].Controls[0])).Text.ToString());
            //获取卡片编号
            int num=manager.CardSumSales(CardTypeId );
            if (GoodsNum > num)//检查该商品是否还够
            {
                Response.Write(string .Format ("<script>alert('对不起，该卡片目前只有{0}张！')</script>",num));
                return;