为什么当我同时使用不同的浏览器运行我的应用程序时，threadID 相同？
我有一个简单的应用程序，其中包含一个单击按钮即可开始日志记录，基本上我将消息记录到数据库中。该应用程序已设置为将消息记录到数据库中。因此，我尝试在我的机器上运行我的应用程序，但同时使用两种不同的浏览器，例如（google chrome 和 Internet Explorer）。我从两个浏览器中单击了按钮，但奇怪的是两个浏览器的 threadID 是相同的。但是，当我在同一浏览器上运行该应用程序多次时，每次执行它时它都会给出一个新的 threadID。为什么？ 由于执行时间不同，因此当我同时从不同浏览器运行应用程序时，我预计 threadID 会有所不同。
I have a simple application that contains one button to be clicked in order to start logging, and basically I log messages to database. The application is already set up to log messages to a database. So, I tried to run my application in my machine but with two different browsers, for example( google chrome and Internet Explorer) at the same time. And i click the button from both browsers, but the strange thing is the threadID is the same for both browsers. However, when I run the application on same browser several times it does give a new threadID each time I execute it. WHY?
As I was expecting the threadID to be different when i run the app from different browsers simultaneously since the execution time was different.
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ThreadID与浏览器无关；它与运行服务器代码的线程有关。也就是说，aspnet 工作进程（或任何运行您正在登录的代码段的进程）。
The ThreadID has nothing to do with the browser; it has to do with the Thread running the server code. That is to say, the aspnet worker process (or whatever is running the piece of code you're logging from).
服务器重用线程来处理传入请求（无论您使用什么浏览器、使用什么计算机登录等）。我可以将浏览器指向您的服务器，并获得与您所看到的相同的 ThreadId。无法保证（据我所知）您的代码将在多个请求的不同线程上运行。也不能保证（据我所知）您的代码将跨多个请求在同一线程上运行。
The server reuses threads to handle incoming requests (regardless of what browser you're using, what computer you're logging in with, etc.). I could point my browser at your server, and get the same ThreadId's as you're seeing. There's no guarantee (as far as I know) that your code will run on different threads across multiple requests. There's also no guarantee (as far as I know) that your code will run on the same thread across multiple requests.