global_asax的Application_Error上的HTTP_REFERER为null [英] HTTP_REFERER is null on global.asax's Application_Error

问题描述

大家好。有没有办法在global.asax中使用application_error时能找到HTTP_REFERER

的值？


我正在使用：


if（HttpContext.Current.Request.ServerVariables [" HTTP_REFERER"]！=

null）

{

referencia =

HttpContext.Current.Request.ServerVariables [" HTTP_REFERER"]。ToString（）;

}


和它仍然是null

解决方案

尝试在start sub上的会话中检测引用者，然后将其存储在
$中b $ b会话变量。你可以从应用程序错误子中调用它。


我认为值得一试

Seguros Catatumbo < se ************** @ gmail.comwrote in message

news：11 **************** ******@19g2000hsx.googlegro ups.com ...

大家好。有没有办法在global.asax中使用application_error时能找到HTTP_REFERER

的值？


我正在使用：


if（HttpContext.Current.Request.ServerVariables [" HTTP_REFERER"]！=

null）

{

referencia =

HttpContext.Current.Request.ServerVariables [" HTTP_REFERER"]。ToString（）;

}


和它仍为空

浏览器可选择发送此值。


- 布鲁斯（ sqlwork.com）


Seguros Catatumbo写道：

大家好。有没有办法在global.asax中使用application_error时能找到HTTP_REFERER

的值？


我正在使用：


if（HttpContext.Current.Request.ServerVariables [" HTTP_REFERER"]！=

null）

{

referencia =

HttpContext.Current.Request.ServerVariables [" HTTP_REFERER"]。ToString（）;

}


和它仍然是空的

" Seguros Catatumbo" < se ************** @ gmail.comwrote in message

news：11 **************** ****** @19g2000hsx.googlegro ups.com ...

有没有办法可以找出HTTP_REFERER的价值

不是100％可靠 - 有些浏览器故意不发送这个，有些

ISP故意将其从标题中删除......


你想要实现什么......？

-

Mark Rae

ASP.NET MVP
http://www.markrae.net

Hi everyone. Is there a way i can find out the value of HTTP_REFERER
when using application_error in global.asax?

I am using:

if (HttpContext.Current.Request.ServerVariables["HTTP_REFERER"] !=
null)
{
referencia =
HttpContext.Current.Request.ServerVariables["HTTP_REFERER"].ToString();
}

and it still is null

解决方案

try detecting the referrer in the session on start sub, then store it in a
session variable. you can then call it from the application error sub.

I think it worth a try
"Seguros Catatumbo" <se**************@gmail.comwrote in message
news:11**********************@19g2000hsx.googlegro ups.com...

Hi everyone. Is there a way i can find out the value of HTTP_REFERER
when using application_error in global.asax?

I am using:

if (HttpContext.Current.Request.ServerVariables["HTTP_REFERER"] !=
null)
{
referencia =
HttpContext.Current.Request.ServerVariables["HTTP_REFERER"].ToString();
}

and it still is null

it is optional for the browser to send this value.

-- bruce (sqlwork.com)

Seguros Catatumbo wrote:

Hi everyone. Is there a way i can find out the value of HTTP_REFERER
when using application_error in global.asax?

I am using:

if (HttpContext.Current.Request.ServerVariables["HTTP_REFERER"] !=
null)
{
referencia =
HttpContext.Current.Request.ServerVariables["HTTP_REFERER"].ToString();
}

and it still is null

"Seguros Catatumbo" <se**************@gmail.comwrote in message
news:11**********************@19g2000hsx.googlegro ups.com...

Is there a way i can find out the value of HTTP_REFERER

Not 100% reliably - some browsers deliberately do not send this, and some
ISPs deliberately strip it from headers...

What are you trying to achieve...?
--
Mark Rae
ASP.NET MVP
http://www.markrae.net

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