Logout.aspx

using System;
using System.Data;
using System.IO;
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 Logout : BasePage
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Session.Abandon();

        Session.Clear();
        Session.RemoveAll();

        if (CurrentUser.UserID != null)
        {
            PetroChina.MDM.Accounts.Business.LoginUserController.GetInstance().Remove(CurrentUser.UserID);
        }

        FormsAuthentication.SignOut();

        Response.Write("<script language='javascript'>window.opener=null;window.open('','_self');window.close();</script>");
        
    }
}