SuccShop.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 System.Data.SqlClient;

public partial class SuccShop : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    SqlConnection sqlconn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
    protected void Page_Load(object sender, EventArgs e)
    {
        this.Title = " 网上商城购物系统";
        if (!IsPostBack)
        {
            BinderMenber();
            BinderOrder();

        }
    }
    public void gvDataBind(GridView gv, string sqlstr)
    {
        sqlconn.Open();
        SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlconn);
        DataSet myds = new DataSet();
        myda.Fill(myds);
        gv.DataSource = myds;
        gv.DataBind();
        sqlconn.Close();
    }
    private void BinderOrder()
    {
        string sqlstr = "select * from tb_OrderInfo where OrderMember='" + Convert.ToString(Session["UserName"]) + "' and IsCheckout='否'";
        gvOrderInfo.DataKeyNames = new string[] { "OrderID" };
        gvDataBind(gvOrderInfo, sqlstr);

        SqlHelper data = new SqlHelper();
        SqlDataReader dr1;
        dr1 = data.GetDataReader("select OrderID from tb_OrderInfo where OrderMember='" + Convert.ToString(Session["UserName"]) + "' and IsCheckout='否'");
        if (dr1.Read())
        {

            string sqlstrtprice = "select sum(SPPrice*shuliang) as tprice from tb_OrderInfo"
                + " where OrderMember='" + Convert.ToString(Session["UserName"]) + "' and IsCheckout='否'";

            SqlDataReader dr;
            dr = data.GetDataReader(sqlstrtprice);
            dr.Read();
            labMoney.Text = Convert.ToString(float.Parse(dr["tprice"].ToString()));

         
        }
        else
        {