dingdanxinxi_add.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;

public partial class dingdanxinxi_add : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

        string sql5;
        sql5 = "select * from goumaijilu where yonghu='" + Session["username"].ToString().Trim() + "' and issh='否'";
        DataSet result5 = new DataSet();
        result5 = new Class1().hsggetdata(sql5);
        if (result5 != null)
        {
            if (result5.Tables[0].Rows.Count == 0)
            {
                Response.Write("<script>javascript:alert('您购物车里的都已经下单了，不能再生成订单！');location.href='sy.aspx'</script>");
                Response.End();

            }
        }

        
        
        
        if (!IsPostBack)
        {
			
			Random rnd = new Random();
            int n = rnd.Next(100, 999);
            string newname =   DateTime.Now.Second.ToString().Trim() + n.ToString().Trim();
            dingdanhao.Text = newname;
            yonghu.Text = Session["username"].ToString().Trim();
            xingming.Text = Session["xm"].ToString().Trim();
            shouji.Text = Session["sj"].ToString().Trim();
			addxiala4("goumaijilu","maijia");
              double nzongjine = 0;
          string shanpianbianhaoz = "";
            string shanpianmingchengz = "";
            string goumaishuliangz = "";
            string shanpianxinxiz = "";
            string sql = "select * from goumaijilu where yonghu='" + Session["username"].ToString().Trim() + "' and issh='否'  ";
             DataSet result = new DataSet();
        result = new Class1().hsggetdata(sql);
        if (result != null)
        {

            if (result.Tables[0].Rows.Count > 0)
            {

                int i = 0;