Asp Mvc Error Controller
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Asp Mvc Error Page
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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 http://www.codeproject.com/Articles/850062/Exception-handling-in-ASP-NET-MVC-methods-explaine 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 http://stackoverflow.com/questions/21993758/asp-net-mvc-5-error-handling : 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ErrorModel { Exception = ex }); } } Currently you find many different ways to do that on the www, some most probably outdated.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 cur
you're not alone. It's surprisingly difficult to do this correctly, not helped by the fact that some errors are handled by ASP.NET and others by IIS. Ideally (and I expect such is the case with some other frameworks/servers) http://benfoster.io/blog/aspnet-mvc-custom-error-pages we would just configure our custom error pages in one place and it would https://docs.asp.net/en/latest/fundamentals/error-handling.html just work, no matter how/where the error was raised. Something like:
404 Page Not Found
I created a new ASP.NET MVC 5 application using the asp mvc error standard template in Visual Studio. If I run the site and try to navigate to a resource that does not exist e.g. /foo/bar, I'll get the standard ASP.NET 404 page with the following information: Server Error in '/' Application. The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /foo/bar Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.33440 Not exactly friendly, is it? In this case the error was raised by ASP.NET MVC because it could not find a matching controller and/or action that matched the specified URL. In order to set up a custom 404 error page add the following to web.config insideWorking with Multiple Environments Hosting Managing Application State Servers Request Features Open Web Interface for .NET (OWIN) Choosing the Right .NET For You on the Server MVC Testing Working with Data Client-Side Development Mobile Publishing and Deployment Guidance for Hosting Providers Security Performance Migration API 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 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 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 environments. The sample application includes a simple mechanism for creating an exception: public static void HomePage(IApplicationBuilder app) { app.Run(async (context) => { if (context.Request.Query.ContainsKey("throw")) { throw new Exception("Exception triggered!"); } var builder = new StringBuilder(); builder.AppendLine("
Hello World!"); builder.AppendLine("- "); builder.AppendLine("
- Throw Exception"); builder.AppendL