?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;

public partial class WebPages_Logout : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Session["UserNo"] = "";
        Session["UserPower"] = "";
        Session.Abandon();
        Response.Redirect("Default.aspx");
    }
}