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Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask mvc customerrors Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign http://www.codeproject.com/Articles/850062/Exception-handling-in-ASP-NET-MVC-methods-explaine up ASP.NET MVC Custom Error Handling Application_Error Global.asax? up vote 83 down vote favorite 72 I have some basic code to determine errors in my MVC application. Currently in my project I have a controller called Error with action methods HTTPError404(), HTTPError500(), and General(). They all accept a string parameter error. Using or modifying the code below. What is the best/proper way to http://stackoverflow.com/questions/1171035/asp-net-mvc-custom-error-handling-application-error-global-asax pass the data to the Error controller for processing? I would like to have a robust solution as possible. protected void Application_Error(object sender, EventArgs e) { Exception exception = Server.GetLastError(); Response.Clear(); HttpException httpException = exception as HttpException; if (httpException != null) { RouteData routeData = new RouteData(); routeData.Values.Add("controller", "Error"); switch (httpException.GetHttpCode()) { case 404: // page not found routeData.Values.Add("action", "HttpError404"); break; case 500: // server error routeData.Values.Add("action", "HttpError500"); break; default: routeData.Values.Add("action", "General"); break; } routeData.Values.Add("error", exception); // clear error on server Server.ClearError(); // at this point how to properly pass route data to error controller? } } c# asp.net asp.net-mvc error-handling user-experience share|improve this question edited Sep 10 '14 at 17:54 Oualid KTATA 55139 asked Jul 23 '09 at 11:07 aherrick 7,7481772115 add a comment| 9 Answers 9 active oldest votes up vote 80 down vote accepted Instead of creating a new route for that, you could just redirect to your controller/action and pass the information via querystring. For instance: protected void Application_Error(object sender, EventArgs e) { Exception exception = Server.GetLastError(); Response.Clear(); HttpException httpException = exception as HttpException; if (httpException != null) { string action; switch

Effectively in ASP.NET MVC 10 April 2014Handling Errors Effectively in ASP.NET MVCASP.NET MVC gives you more options in the way that you handle exceptions. Error handling isn't intrinsically exciting, but there are many ways of avoiding the classic yellow https://www.simple-talk.com/dotnet/asp-net/handling-errors-effectively-in-asp-net-mvc/ page of death, even getting ELMAH to manage error handling for you. 80 3 Dino http://devproconnections.com/aspnet-mvc/aspnet-mvc-tutorial-handling-errors-and-exceptions Esposito Years ago, ASP.NET's error handling was one of the major things that made me wonder if ASP.NET MVC could give me something that ASP.NET Web Forms couldn't. Web Forms is based on pages; so if something goes wrong, all that you can do is to redirect the user to another page and explain what the error was or just be generically sorry. ASP.NET mvc error Web Forms allow you to map an error page for each possible HTTP status code. You control the mapping through the section of the web.config file. Because of the different architecture of the view in ASP.NET MVC, it is possible to save the redirect command and then programmatically switch to an error view in the context of the same request. You have this in addition to the regular page-based error handling mechanism. I wouldn't use HTTP code redirects in mvc error handling ASP.NET MVC; but only because more flexible solutions are possible. Generally speaking, error handling in ASP.NET MVC is mainly necessary to handle program and route exceptions. Program exceptions refer to catching errors in controllers and in any code you may have in Razor views. Route exceptions refer to missing links and invalid URLs. Program Exceptions Any stack trace you can have out of an ASP.NET MVC application originates from a method call in a controller class. The controller class, therefore, is where any exceptions in your ASP.NET MVC code can be trapped. You can do that in a number of equivalent ways. For example, you can have a try/catch block surrounding the entire method body. It works, but it's ugly to see too. A better option is probably to override the OnException method from the base Controller class. Yet another option is using the HandleError attribute at the controller class level. Better yet, the HandleError attribute-which is ultimately an action filter-can be set globally on just every controllers and actions you can have. At the end of the day, an effective strategy for error handling is based on the following pillars: All classes down the controller level just throw exceptions when something goes wrong. Some of these classes, in some of their methods, may attempt to catch some of the exceptions but mostly when a given exception is intended to be swallowed or turned into some oth

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 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 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. 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 wi

 

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