Asp.net解决用户登录权限问题

using System;
/// <summary>
/// SysPage 的摘要说明
/// </summary>
public class SysPage : System.Web.UI.Page
{
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e); if (Session["yhm"] == null)
{
Server.Transfer("~/main/TimeOut.aspx?message=登陆超时,请重新登陆！");
}
}
}

Session 用数据库解决 http://blog.csdn.net/chengiic/archive/2008/04/06/2254519.aspx