如何浏览后退按钮已禁用，如Gmail，Yahoomail. [英] How to browser Back Button Disabled like Gmail,Yahoomail.

问题描述

亲爱的，

从邮件注销后，如何浏览器的后退按钮已禁用.
像Gmail，Yahoomail.
使用Java脚本和asp.net，C#
注意:没有页面加载.


使用COde发送.

通过mohan.

Dear one,

How to browser Back Button Disabled after LOGOUT from mail.
like Gmail,Yahoomail.
Using java script and asp.net,C#
Note: WithOut Page Loading.


sent with COde.

By mohan.

推荐答案

单击注销后，在服务器端执行下面的代码

After clicking logout uexecute the bellow code in server side

<script type = "text/javascript" >
   function preventBack(){window.history.forward();}
    setTimeout("preventBack()", 0);
    window.onunload=function(){null};
</script>

在后面的代码中这样写:

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On code behind write this:

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protected void Page_Load(object sender, EventArgs e)
   {
      
     HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
     HttpContext.Current.Response.Cache.SetNoServerCaching();
     HttpContext.Current.Response.Cache.SetNoStore();
    
 
   }

然后在客户端写这样的东西:

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and on client side write something like this:

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<script type="text/javascript" language="javascript">
window.history.forward(1);
document.attachEvent("onkeydown", my_onkeydown_handler);
function my_onkeydown_handler()
{
switch (event.keyCode)
{
case 116 : // F5;
event.returnValue = false;
event.keyCode = 0;
window.status = "We have disabled F5";
break;
}
}
</script>

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