使用ASP.NET 2.0处理过期会话的最有效方法是什么 [英] What is the most efficient way to handle en expired session with ASP.NET 2.0

问题描述

在我们正在构建的站点上.我们需要能够在用户会话结束后将其重定向到默认页面.

On the site we are building. We need to be able to redirect the user to a default page when his session has ended.

乍一看，我们将Session_End与Response.Redirect结合使用来完成这项工作.

At first sight we used the Session_End with a Response.Redirect to do this job.

Sub Session_End(ByVal sender As Object, ByVal e As EventArgs)
    Response.Redirect("~/global/exit.aspx")
End Sub

但是它会产生响应错误的错误消息.自然，我们不想向我们的服务器错误日志发送垃圾邮件.

But it generates a crapload of Response is not available in this context errors. Naturally we don't want to spam our servers error logs.

处理以ASP.NET 2.0结尾的会话的最有效方法是什么?

What is the most efficient way to handle session ending with ASP.NET 2.0?

推荐答案

我们将以下代码添加到global.asax.cs文件中:

We added the following code to the global.asax.cs file:

 private void IsAuthenticated()
    {
        string vFileName = Path.GetFileName(HttpContext.Current.Request.Path);
        string vExt = Path.GetExtension(vFileName).ToLower();
        if ((vFileName != "Login.aspx") && (vExt == ".aspx"))
        {
            if (HttpContext.Current.Session["LoggedIn"] == null)
            {
                HttpContext.Current.Response.Redirect("~/Login.aspx");
            }
        }
    }
    void Application_PostAcquireRequestState(object sender, EventArgs e)
    {
        IsAuthenticated();
    } 

NS:Global .asax文件中的第一行是:

NS: The first line in our Global .asax file is :

<%@ Application  Inherits="???.Global" Language="C#" %>

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