1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11
12public partial class admin_TopAdmin : System.Web.UI.Page
13...{
14    protected void Page_Load(object sender, EventArgs e)
15    ...{
16        if (Session["_AdminID"] == null)
17        ...{
18            Response.Write("<script>top.location.href='admin_login.aspx';</script>");
19        }
20        else
21        ...{
22            if (!IsPostBack)
23                labadminname.Text = Session["_AdminUserName"].ToString();
24        }
25    }
26    protected void Button1_Click(object sender, EventArgs e)
27    ...{
28        Session["_AdminID"] = null;
29        Session["_AdminUserName"] = null;
30        Response.Write("<script>top.location.href='../Default.aspx';</script>");
31    }
32}
33