ordersearch.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class ordersearch : System.Web.UI.Page
{
    db DB = new db();
    DataSet ds = new DataSet();
    string strsql;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            orderbind();
            total_money();
        }
    }
    public void orderbind()
    {
        if (Session["username"] != null)
        {
            strsql = "select * from order_view where username='" + Session["username"] + "'";
            ds = DB.mydata(strsql);
            if (ds.Tables[0].Rows.Count != 0)
            {
                this.DataList1.DataSource = ds;
                this.DataList1.DataBind();
            }
            else
            {

                Response.Write("<script>alert('你没有历史订单，请前去选购商品！！');location='index.aspx'</script>");

            }

        }
        else
        {

            Response.Write("<script>alert('请先登陆！');location='Login.aspx';</script>");
        }

    }
    public void total_money()
    {
        strsql = "select * from order_view where username='" + Session["username"] + "'";
        ds = DB.mydata(strsql);

        if (ds.Tables[0].Rows.Count != 0)
        {
            decimal price, sum = 0;