Asp Net Mvc 3 Global Error Handling
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workings and policies of this site About Us Learn more about Stack asp net mvc 3 download for visual studio 2010 professional Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs mvc error handling best practice 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 other. Join them; http://www.codeproject.com/Articles/850062/Exception-handling-in-ASP-NET-MVC-methods-explaine 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): public class SomeWebApplication : http://stackoverflow.com/questions/7511752/what-is-best-practice-for-global-error-exception-handling-in-asp-net-mvc 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) with it. Update: Created a blog entry: http://blog.gauffin.org/2011/11/how-to-handle-errors-in-asp-net-mvc/ share|improve
DevelopmentASP.NET HTML5 JavaScript Mobile Development Database Development Windows Development Azure Development Visual Studio Advertisement Home > Development > Web Development > ASP.NET MVC > ASP.NET MVC Tutorial: Handling Errors and Exceptions http://devproconnections.com/aspnet-mvc/aspnet-mvc-tutorial-handling-errors-and-exceptions ASP.NET MVC Tutorial: Handling Errors and Exceptions Common practices for handling errors and trapping exceptions Mar 4, 2012 Dino Esposito | Dev Pro EMAIL Tweet Comments 0 Advertisement RELATED: "Using Data Annotations for ASP.NET MVC 3 Input Validation" and "Exploring the Razor Syntax in ASP.NET MVC 3" In ASP.NET MVC, error handling can be split in two parts: handling errors and exceptions that occur within the asp net code and handling exceptions at the framework level. You can easily deal with the first type of exceptions; however, you have to intervene in various places and use different tools to neutralize the impact of route exceptions and HTTP errors. In the end, you gain total control over runtime exceptions by writing error handlers within controllers and at least a global exception handler in global.asax. asp net mvc Let's find out the details and explore common practices for handling exceptions in ASP.NET MVC. Catching Exceptions in Controllers In controllers you write plain code, and in plain code you typically catch exceptions by using try/catch blocks. This approach gives you the most flexibility but at the cost of adding some noise to the code. Having a bunch of try/catch blocks scattered through a single method, though effective, makes reading the code a bit more difficult. The point here is not to question the importance of exception handling but simply to consider whether there's a better way of achieving the same results using easier-to-read code. Conveniently in this regard, Microsoft offers us the OnException overridable method and the HandleError filter attribute. Both methods -- and one method doesn't exclude the other -- allow us to trap any exceptions raised around the controller code without having to write any explicit try/catch blocks. In particular, the OnException method that's defined on the base controller class behaves like a predefined global exception handler that simply wraps up any controller method you may have. To explain this in more detail, in ASP.NET MVC the execution of each controller m