ASP.NETÅжÏÓû§ÊÇ·ñµÇ¼

Ç°¶Îʱ¼äÒòΪһÌض¨ÐèÇóдÁËÏÂÃæ´úÂë¡£ÐèÇóÈçÏ£ºÔÚÓû§·ÃÎʱ¾Õ¾ËùÓÐaspxÒ³Ãæʱ£¬Ê×ÏÈÅжÏÓû§Session["login"]ÊÇ·ñ´æÔÚ£¬Èç¹û²»´æÔÚ£¬ËµÃ÷¸ÃÓû§Î´µÇ½£¬ÒªÈøÃÓû§Ìøתµ½Ö¸¶¨µÄÒ³Ãæ¡£ËùÒÔÏëдһ¸öSessionµÄ¹ýÂËÆ÷£¬Ë¼Ç°ÏëºóÓ¦¸Ãдһ¸ö¼Ì³ÐIHttpModuleµÄ´¦ÀíÀà¡£ÊÔÑéÁ˼¸ÖÖ·½Ê½·¢ÏÖÖ»Óн«·½·¨¼ÓÔÚ.AcquireRequestStateÖвÅÄܶÁÈ¡session¡£
¹²Ïí´úÂëÈçÏ MyModule.cs
using System;
using System.Data;
using System.Configuration;
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;
/// <summary>
/// MyModule µÄժҪ˵Ã÷
/// </summary>
public class MyModule:IHttpModule
{
    public MyModule()
    {
        //
        // TODO: ÔÚ´Ë´¦Ìí¼Ó¹¹Ô캯ÊýÂß¼­
        //
    }
    #region IHttpModule ³ÉÔ±
    public void Dispose()
    {
        throw new Exception("The method or operation is not implemented.");
    }
    public void Init(HttpApplication context)
    {
        context.AcquireRequestState += new EventHandler(application_AcquireRequestState);
    }
    public void application_AcquireRequestState(object sender, EventArgs e)
    {
        HttpApplication app = (HttpApplication)sender;
        
        if (app.Context.Session["userName"] == null || app.Context.Session["userName"].ToString().Trim() == "")
        {
            app.Context.Server.Transfer("login.aspx");
  &