Asp Net Error Page Template
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Asp Net Error Page Example
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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
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case with some other frameworks/servers) we would just configure our custom error pages in asp net excel template one place and it would just work, no matter how/where the error was raised. Something like:
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404 Page Not http://benfoster.io/blog/aspnet-mvc-custom-error-pages Found
I created a new ASP.NET MVC 5 application using the 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 insidehere 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 http://stackoverflow.com/questions/10751363/how-do-i-make-a-generic-error-page-in-my-asp-net-application-so-that-it-handle hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges https://dusted.codes/demystifying-aspnet-mvc-5-error-pages-and-error-logging 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 How do I make a “generic error” page in my ASP.NET application so that it handles errors triggered when serving that page itself? up vote 4 down vote favorite asp net 2 In my ASP.NET MVC application I want to have a generic error page that is showed together with returning HTTP 500. Something like this page on Stack Overflow. Of course I'd like to reuse as much code as possible so that the page is styled the same way as other pages in my application, so I want to have an ASP.NET page reusing the master pages, not a plain HTML file. However if I do so I asp net error have a page that contains some server-side executable code for creating actual HTML served to the client. In case of Stack Overflow generic error page it's the code checking whether the user is registered, retrieving his rep, etc, and inserting elements for that into HTML. That code can fail and if that happens the page isn't properly constructed and an exception is thrown in the server. How do I handle that situation (error when building HTML for the error page) gracefully? What's the typical approach? asp.net .net iis error-handling share|improve this question edited May 25 '12 at 9:12 asked May 25 '12 at 8:54 sharptooth 109k50315704 asp.net/web-forms/tutorials/deployment/… –Jason Evans May 25 '12 at 9:14 add a comment| 2 Answers 2 active oldest votes up vote 6 down vote I like to start by categorize the possible errors. Categorize the errors. Page Not Found (this is full my log). Breaking parameters of the page by trying to hack it Error from wrong user data input. Totally Unknown error - a new bug that we must fix. a Very hard General error - nothing runs - eg, database is not opens at all. Our Goal To now show the error page, but only in rare cases. So when user make actions with out page, we try to capture all wrong input of the user, and show him what to do to contin
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 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 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 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 proce