如何在asp.net中两次限制用户登录 [英] how to restrict user login twice in asp.net

问题描述

如何在Web应用程序中限制用户两次登录

[edit]删除了虚假代码块-OriginalGriff [/edit]

how to restrict user login twice in an web application

[edit]Spurious code block removed - OriginalGriff[/edit]

推荐答案

您可以做一件事....
使用会话变量..
在登录时，将登录状态存储在变量中，并在每次页面加载时对其进行检查...

you can do one thing....
use session variable..
at login time store the login status in variable and check it on every page load...

使用他的帐户登录两次. MembershipUser类具有属性"IsOnline"，该属性通过检查登录时间跨度来返回用户是否已登录.要可靠地执行操作并不容易，因为HTTP是断开连接的无状态协议，因此，如果当前日期和时间减去UserIsOnlineTimeWindow属性值早于该用户的LastActivityDate，则该用户将被视为在线用户

from login twice with his account. The MembershipUser class has a property "IsOnline " which returns wheter a user is logged in or not by checking the login time span. It''s not easy to do reliably because HTTP is a disconnected, stateless protocol, Therefore, a user is considered online if the current date and time minus the UserIsOnlineTimeWindow property value is earlier than the LastActivityDate for the user

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