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 guanli : System.Web.UI.Page
13...{
14    protected void Page_Load(object sender, EventArgs e)
15    ...{
16        if ((string)Session["role"] != "adminstrator")
17            Response.Redirect("default.aspx");
18    }
19    protected void Button1_Click(object sender, EventArgs e)
20    ...{
21        Session.Clear();
22        Response.Redirect("default.aspx");
23    }
24}
25