什么时候的HttpRequest获得创建？ [英] When does HttpRequest get created?

问题描述

在我的MVC Web应用程序，我检查Request.IsLocal，看看如果应用程序在我的机器上运行 - 如果是这样，我设置一个全局静态变量，它告诉我的应用程序的其余部分，我在调试模式。

In my MVC web application, I'm checking Request.IsLocal to see if the application is running on my machine--if it is, I set a Global static variable which tells the rest of my application that I am in 'Debug Mode'.

现在的问题是，我不知道什么时候做此项检查。

The problem is, I don't know when to do this check.

我试着做了的global.asax.cs文件的Application_Start（）下，是这样的：

I tried to do it in the global.asax.cs file, under Application_Start(), like this:

protected void Application_Start()
{
    if (Request.IsLocal)
        isDebug = true;

    AreaRegistration.RegisterAllAreas();
    RegisterRoutes(RouteTable.Routes);
    ControllerBuilder.Current.SetControllerFactory(new NinjectControllerFactory());
}

麻烦的是，Request对象尚未初始化。我得到一个HttpException它说

The trouble is, the Request object has not been initialized yet. I get a HttpException which says

传入的请求不符合任何路线

The incoming request does not match any route

所以，我的问题是什么时候Request对象得到初始化，并且有一些，我可以为了以后的请求对象就可以运行该检查处理的事件？

So, my question is when does the Request object get initialized, and is there an event of some sort that I could handle in order to run this check after the Request object is ready?

推荐答案

在你的MVC网站的应用程序池纺起来的Application_Start（）火灾。它并不真正了解请求对象。因此，即使这是设置一些应用程序范围内的正确的地方，你将无法使用 Request.IsLocal 来做到这一点。你将不得不使用不同的化战略。 @用机器名的贾森的建议是一个很好的选择。

Application_Start() fires when your MVC site's app pool is spun up. It doesn't really know about the "request" object. So even though this is the correct place to set something application-wide, you won't be able to do it with Request.IsLocal. You'll have to use a different stragegy. @Jason's suggestion of using the machine name is a good option.

如果您想检查 Request.IsLocal 为每一个请求，在Global.asax中写方法的处理程序的Application_BeginRequest。请参见这获取更多信息。

If you'd like to check Request.IsLocal for every request, write a handler for method for Application_BeginRequest in global.asax. See this for more info.

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