MemberManage/OrderInfo.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 MemberManage_OrderInfo : System.Web.UI.Page
{
    SqlOperate sqloperate = new SqlOperate();
    SqlConnection sqlconn = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
        }
    }
    protected void txtSel_Click(object sender, EventArgs e)
    {
        if (Session["MName"] == null)
        {
            Response.Write("<script>alert('您还没有登录，请登录后再使用，谢谢！');location='javascript:history.go(-1)';</script>");
        }
        else
        {
            this.gvbind();
        }
    }
    protected void gvShopInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        gvShopInfo.PageIndex = e.NewPageIndex;
        this.gvbind();
    }
    public void gvbind()
    {
        string sqlstr = "select MemberID,MemberName from tb_Member where MemberID='" + txtMID.Text.Trim() + "'";
        sqlconn.Open();
        SqlCommand sqlcom = new SqlCommand(sqlstr,sqlconn);
        int count = Convert.ToInt32(sqlcom.ExecuteScalar());
        if (count > 0)
        {
            SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlconn);
            DataSet myds = new DataSet();
            myda.Fill(myds, "tb_Member");
            DataRowView mydrv = myds.Tables["tb_Member"].DefaultView[0];
            string sqlstrbind = "select * from tb_OrderInfo where OrderMember='" 
                + Convert.ToString(mydrv.Row["MemberName"]) + "'";
            SqlCommand com = new SqlCommand(sqlstrbind,sqlconn);
            int countInfo = Convert.ToInt32(com.ExecuteScalar());
            if (countInfo > 0)
            {
                sqloperate.gvDataBind(gvShopInfo, sqlstrbind);
            }
            else
            {