处理 ASP.NET 中未处理的异常
如何防止asp.net中的页面崩溃？是否有任何通用函数或类似 global.asax 的地方，我们可以在其中指定发生未处理异常时重定向到的文件？ （就像我们在出现404页面未找到异常时重定向到指定页面一样？
How can we prevent page crash in asp.net? Is there any generic function or place like global.asax where we specify a file to redirect to when an unhanded exception occurs? (like we redirect to a specified page when 404 page not found exception occurs?
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您应该检查应用程序事件日志中是否有来自源“ASP.NET
<customErrors>doesn't prevent your pages from "crashing". It just allows you to apologize to your users when the page does crash.You should be examining the Application event log for messages from the source "ASP.NET
<version>". These will include details of any exceptions your code has been generating and not handling. You need to fix these, as every one of these indicates that your users were not able to do what they came to your site to do.您可以在 Global.asax 中执行此操作，也可以在 web.config 中设置自定义错误页面。
ASP.NET 自定义错误页面
You can do it in Global.asax or you can set up custom error pages in web.config.
ASP.NET Custom Error Pages
正如马尔所说，“如果它崩溃了，你就崩溃了”。 “防止”崩溃的唯一方法是仔细编写代码、测试等，就像对待任何程序一样。
要显示漂亮的错误页面，请查看 web.config 中的
As Mal said, "If it crashes, you crashed it". The only way to "prevent" crashes is by carefully writing your code, testing, etc, as with any program.
To display a nice error page, check out the
<customErrors>element in your web.config. MSDN docs here. Plenty of articles around if you google for 'customErrors'.