ASP.NET推重定向会话超时

问题描述

我在找一个教程，博客条目，或在技术上有所帮助网站背后当会话期满时，自动将用户（即没有回发）。任何帮助AP preciated

I'm looking for a tutorial, blog entry, or some help on the technique behind websites that automatically push users (ie without a postback) when the session expires. Any help is appreciated

推荐答案

通常，设置会话超时，并且您还可以添加页面头部为当前页面自动跳转到你之前清除会话右页会话超时。

Usually, you set the session timeout, and you can additionally add a page header to automatically redirect the current page to a page where you clear the session right before the session timeout.

从http://aspalliance.com/1621_Implementing_a_Session_Timeout_Page_in_ASPNET.2

namespace SessionExpirePage
{
    public partial class Secure : System.Web.UI.MasterPage
    {
        public int SessionLengthMinutes
        {
            get { return Session.Timeout; }
        }
        public string SessionExpireDestinationUrl
        {
            get { return "/SessionExpired.aspx"; }
        }
        protected override void OnPreRender(EventArgs e)
        {
            base.OnPreRender(e);
            this.PageHead.Controls.Add(new LiteralControl(
                String.Format("<meta http-equiv='refresh' content='{0};url={1}'>",
                SessionLengthMinutes*60, SessionExpireDestinationUrl)));
        }
    }
}

该SessionExpireDestinationUrl应该链接到您清除会话和任何其他用户数据的页面。

The SessionExpireDestinationUrl should link to a page where you clear the session and any other user data.

在刷新到期头，它会自动重定向到该页面。

When the refresh header expires, it will automatically redirect them to that page.

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