Asp.net Mvc 3 Error Handling Best Practices
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Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow mvc 5 error handling Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each asp.net mvc handleerrorattribute other. Join them; it only takes a minute: Sign up What is best practice for global error/exception handling in ASP.NET MVC? up vote 4 down vote favorite 1 I've seen two methods of implementing global error handling in an ASP.NET MVC 3 application. One method is via the Application_Error method in Global.asax.cs. For example (Error Handling in global.asax):
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public class SomeWebApplication : System.Web.HttpApplication { // ... other methods ... protected void Application_Error() { // ... application error handling code ... } } The other method is via a [HandleError] action filter attribute registered in the RegisterGlobalFilters method, again in Global.asax.cs. Which is the better way to approach this? Are there any significant disadvantages to either approach? asp.net-mvc-3 exception-handling share|improve this question edited Jan 4 '13 at 21:48 Shannon Wagner 271623 asked Sep 22 '11 at 8:23 dan 2,32973252 add a comment| 1 Answer 1 active oldest votes up vote 7 down vote accepted [HandleError] is the way to go since it keeps everything simple and responsibility is clear. This action filter is a specific ASP.NET MVC feature and therefore is the official way of handling errors. It's also quite easy to override the filter to add custom functionality. Application_Error is the old way to do it and doesn't really belong in MVC. The [HandleError] attribute works fine as long as you remember to tag your controllers (or the base controller)
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Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, http://stackoverflow.com/questions/7511752/what-is-best-practice-for-global-error-exception-handling-in-asp-net-mvc helping each other. Join them; it only takes a minute: Sign up Best practices for asp.net mvc error handling [closed] up vote 13 down vote favorite 7 I'm looking for a standard way to handle errors in asp.net mvc 2.0 or 3.0 404 error handler Controller scope exception error handler Global scope exception error handler Thanks all asp.net-mvc http://stackoverflow.com/questions/4523831/best-practices-for-asp-net-mvc-error-handling error-handling share|improve this question edited Dec 24 '10 at 2:26 kd7 21.8k84785 asked Dec 24 '10 at 2:20 noname.cs 7193719 closed as not constructive by casperOne Jun 27 '12 at 19:13 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question. 1 frig this is such a problem. It's definitely not natively supported in MVC as you would expect. –Chase Florell Dec 24 '10 at 2:30 add a comment| 3 Answers 3 active oldest votes up vote 6 down vote For controller scope errors try using a custom Exception attribute i.e. public class RedirectOnErrorAttribute : FilterAttribute, IExceptionFilter { public void OnException(ExceptionContext filterContext) { // Don't interfer
it as part of our official documentation for implementing custom error pages, we've decided to sponsor it. Visit elmah.io - Error Management for .NET web applications using ELMAH, powerful search, integrations with Slack and HipChat, Visual Studio integration, API and https://dusted.codes/demystifying-aspnet-mvc-5-error-pages-and-error-logging much more. Custom error pages and global error logging are two elementary and yet very confusing topics in ASP.NET MVC 5. There are numerous ways of implementing error pages in ASP.NET MVC 5 and when you search for advice you will find a dozen different StackOverflow threads, each suggesting a different implementation. Overview What is the goal? Typically good error handling consists of: Human friendly error pages Custom error page per error handling error code (e.g.: 404, 403, 500, etc.) Preserving the HTTP error code in the response to avoid search engine indexing Global error logging for unhandled exceptions Error pages and logging in ASP.NET MVC 5 There are many ways of implementing error handling in ASP.NET MVC 5. Usually you will find solutions which involve at least one or a combination of these methods: HandleErrorAttribute Controller.OnException Method Application_Error event customErrors element in web.config httpErrors handling best practices element in web.config Custom HttpModule All these methods have a historical reason and a justifyable use case. There is no golden solution which works for every application. It is good to know the differences in order to better understand which one is applied best. Before going through each method in more detail I would like to explain some basic fundamentals which will hopefully help in understanding the topic a lot easier. ASP.NET MVC Fundamentals The MVC framework is only a HttpHandler plugged into the ASP.NET pipeline. The easiest way to illustrate this is by opening the Global.asax.cs: public class MvcApplication : System.Web.HttpApplication Navigating to the implementation of HttpApplication will reveal the underlying IHttpHandler and IHttpAsyncHandler interfaces: public class HttpApplication : IComponent, IDisposable, IHttpAsyncHandler, IHttpHandler ASP.NET itself is a larger framework to process incoming requests. Even though it could handle incoming requests from different sources, it is almost exclusively used with IIS. It can be extended with HttpModules and HttpHandlers. HttpModules are plugged into the pipeline to process a request at any point of the ASP.NET life cycle. A HttpHandler is responsible for producing a response/output for a request. IIS (Microsoft's web server technology) will create an incoming request for ASP.NET, which subsequently will start processing the request and eventually initialize the HttpAp