usercontrol/Top.ascx.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 usercontrol_Top : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["sex"] == null || Session["sex"].ToString() == "")
        {
            Label1.Visible = false;
            Logout.Visible = false;
            Panel1.Visible = true;
            Panel2.Visible = false;
        }
        else
        {
            Label1.Text = Session["fname"].ToString();
            Label1.Visible = true;
            Logout.Visible = true;
            Panel1.Visible = false;
            Panel2.Visible = true;
        }

        if (!IsPostBack)
        {
            BindNavigation(); //导航条
        }

    }

    //绑定导航条
    void BindNavigation()
    {
        string strConn = ConfigurationManager.ConnectionStrings["sq_chaletshopConnectionString"].ToString();
        SqlConnection conn = new SqlConnection(strConn);
        string strSql = "select * from category_up";
        SqlDataAdapter da = new SqlDataAdapter(strSql, conn);
        DataSet ds = new DataSet();
        da.Fill(ds);
        this.rpt_Menu.DataSource = ds;
        this.rpt_Menu.DataBind();
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        //获取email和密码
        string fname = this.email2.Text.Trim();
        string password = this.password2.Text.Trim();

        //合成sql语句
        string sqlstr = "select * from users where fname='" + fname + "' and password='" + password + "'";