Asp.net Mvc Error Handling Page
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For You on the Server MVC Testing Working with Data aspnet mvc 6 Client-Side Development Mobile Publishing and Deployment Guidance for Hosting Providers Security Performance Migration API aspnet mvc 3 Contribute ASP.NET Docs » Fundamentals » Error Handling Edit on GitHub Warning This page documents version 1.0.0-rc1 and has not yet been updated for http://www.codeproject.com/Articles/850062/Exception-handling-in-ASP-NET-MVC-methods-explaine version 1.0.0 Error Handling¶ By Steve Smith When errors occur in your ASP.NET app, you can handle them in a variety of ways, as described in this article. Sections Configuring an Exception Handling Page Using the Developer Exception Page Configuring Status Code Pages Limitations of Exception Handling During Client-Server https://docs.asp.net/en/latest/fundamentals/error-handling.html Interaction Server Exception Handling Startup Exception Handling ASP.NET MVC Error Handling View or download sample code Configuring an Exception Handling Page¶ You configure the pipeline for each request in the Startup class's Configure() method (learn more about Application Startup). You can add a simple exception page, meant only for use during development, very easily. All that's required is to add a dependency on Microsoft.AspNetCore.Diagnostics to the project and then add one line to Configure() in Startup.cs: public void Configure(IApplicationBuilder app, IHostingEnvironment env) { app.UseIISPlatformHandler(); if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } The above code includes a check to ensure the environment is development before adding the call to UseDeveloperExceptionPage. This is a good practice, since you typically do not want to share detailed exception information about your application publicly while it is in production. Learn more about configuring envir
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 http://devproconnections.com/aspnet-mvc/aspnet-mvc-tutorial-handling-errors-and-exceptions Exceptions Common practices for handling errors and trapping exceptions Mar 4, 2012 Dino Esposito http://stackoverflow.com/questions/21993758/asp-net-mvc-5-error-handling | 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 aspnet mvc 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 asp.net mvc error 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 method is governed by an action invoker. This is a system component responsible for executing a controller method, capturing any response it may generate (typically an ActionResult object), and using that
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack 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, helping each other. Join them; it only takes a minute: Sign up ASP.NET MVC 5 error handling up vote 12 down vote favorite 4 We want to handle 403 errors, 404 errors, all errors due to a MySpecialDomainException and provide a default error page for all other errors (including errors in the IIS configuration!). All errors should return proper Razor views, it would be very nice to have an ErrorController in front of the views. E.g. something like this: public class ErrorController : Controller { public ViewResult NotFound () { return View(); } public ViewResult Forbidden () { return View(); } public ViewResult Default () { var ex = ObtainExceptionFromSomewhere(); if(ex is MySpecialDomainException) return View("MySpecialDomainException", new ErrorModel { Exception = ex }); return View("GeneralError", new ErrorModel { Exception = ex }); } } Currently you find many different ways to do that on the www, some most probably outdated. Among those: Controller.OnException() Error filter customErrors element in web.config Handling in Global.asax's Application_Error Q1: What is the recommended way to fulfill our requirements with ASP.NET MVC 5? Also we want to catch errors occurring in the IIS host. Q2: To prevent that IIS has to handle any 404s we thought about adding a default route matching all possible URLs - is this recommendable? Better to register instead for IIS' 404s as well? Q3: Is it even possible to register an IIS error page which goes back to a controller, or is IIS capable of ASPX / static HTML only? c# asp.net-mvc error-handling asp.net-mvc-5 asp.net-mvc-5.1 share|improve this question edited Jul 26 at 6:09 Mukesh Ram 2,7373625 asked Feb 24 '14 at 16:46 D.R. 6,14672271 I'm curious.. How exactly would you propose to have Razor pages when IIS is not configured correctly? If IIS isn't working, Razor won't be working... –Erik Funkenbusch Feb 24 '14 at 16:51 Yeah, probably it is not even possible. Maybe we have to settle for a static HTML @ IIS. So probably its best to cover all possible URLs