继承方法给页面加上Session判断的小例子

新建一个继承自System.Web.UI.Page的类,然后重写OnInit:

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;

namespace TestSession
{
    public class CheckSession : System.Web.UI.Page
    {
        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
            if (Session.Keys.Count <= 0)
            {
                Response.Redirect("~/TiaoZh.htm", true);
            }
            else
            {
                if (Session["UserId"] == null && Session["Qx"] == null && Session["Dept"] == null && Session["UserName"] == null && Session["QxType"]==null)
                {
                    Response.Redirect("~/TiaoZh.htm", true);
                }
            }
        }       
    }
}

在页面中加引用即可。

public partial class PG_Home : TestSession.CheckSession

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转载自www.cnblogs.com/xxaxx/p/9055169.html