MasterPage.master.cs

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using System;
using System.Collections.Generic;

using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Web.Security;

public partial class MasterPage : System.Web.UI.MasterPage
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["MemberName"] != null)
        {
            //会员没有退出登陆
            divLogin.Visible = false;
            divShow.Visible = true; 
        } 
        if (!IsPostBack)
        {
            string SqlType = "select top 10 * from TB_Type order by ID desc";
            DataSet ds = DBHelper.GetDataSet(SqlType);
            this.GridView2.DataSource = ds.Tables[0];
            this.GridView2.DataBind();


            string SQlZJ = "select top 10 * from TB_ZhuanJi order by ID desc";
            DataSet ds1 = DBHelper.GetDataSet(SQlZJ);
            this.GridView1.DataSource = ds1.Tables[0];
            this.GridView1.DataBind();
 
          
        } 

    } 
    protected void btLogin_Click(object sender, EventArgs e)
    {
      
            string membername, pwd;
            membername = this.txtMemberName.Text.Trim();
            pwd =  this.txtPWD.Text ;
   


            string sql1 = "select * from tb_Member where MemberName ='" + membername + "' and MemberPwd ='" + pwd + "'";

            DataSet ds1 = DBHelper.GetDataSet(sql1);


            if (ds1.Tables[0].Rows.Count >= 1)
            {
                //存在该用户
                Session["MemberName"] = ds1.Tables[0].Rows[0][1];//将登录的会员编号和会员名称用session变量保存，以备后用
                Session["MemberID"] = ds1.Tables[0].Rows[0]["MemberID"];//将登录的会员编号和会员名称用session变量保存，以备后用
                this.divLogin.Visible = false;
                this.divShow.Visible = true;
            }
            else
            {