我HttpModule测试

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;
using System.Diagnostics;
using System.Web.SessionState;

/// <summary>
/// MyHttpModule 的摘要说明
/// </summary>
public class MyHttpModule: IHttpModule
{

    public void Init( HttpApplication httpApp)
    {
        httpApp.AuthenticateRequest += new EventHandler(httpApp_AuthenticateRequest);
    }

    void httpApp_AuthenticateRequest(object sender, EventArgs e)
    {
       //string name=  HttpContext.Current.User.Identity.Name;
       //EventLog log = new EventLog();
       //log.Source = "asp.net应用程序";
       //log.WriteEntry(name + " 被授权");
        HttpApplication app = (HttpApplication)sender;

        HttpSessionState Session =  app.Context.Session;
        HttpRequest Request = app.Context.Request;
        HttpResponse Response = app.Context.Response;

        string url = Request.RawUrl;
        if (url.IndexOf("SystemManager") != -1 && url.IndexOf("login.aspx") == -1 )
        {            
            Response.Write("未授权的访问");
            Response.End();
        }
        //app.Context.Response.Write(Request.RawUrl);
        //if (Session["NAME"] == null)
        //{
        //    HttpContext.Current.Response.Write("未授权的访问");
        //    HttpContext.Current.Response.End();
        //}
    }
    public void Dispose()
    { }
}

<system.web>
　　<httpModules>
            <add name="MyLog"  type="MyHttpModule" />
   </httpModules>
</system.web>