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Custom Error Page In Asp.net Mvc

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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,

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powerful search, integrations with Slack and HipChat, Visual Studio integration, API aspnet mvc nuget and much more. Custom error pages and global error logging are two elementary and yet very confusing topics

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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 aspnet mvc tutorial 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 aspnet 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 i

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Donate Log In ASP.NET MVC5 MVC 5 How To Show Custom Error Pages MVC 5 How To Show Custom Error Pages posted on 11/29/2014 8:13 AM by Eric Butler Tweet While working on Neptune Century's site redesign, I stumbled upon some issues trying http://www.neptunecentury.com/blogs/asp-net/mvc5/mvc-5-how-to-show-custom-error-pages to show custom error pages for 404 and 500 errors. The 500 error is relatively easy http://forums.asp.net/t/2002162.aspx?How+i+can+create+custom+error+page+on+MVC5+IIS8+ to deal with, but 404 was a bit trickier... that is until I realized how to do it with MVC and IIS 8+.The first thing I tried was the ye old customErrors section in System.Web. It did what is was supposed to do, that is redirect the user to a friendly 404 error page, but the problem with that approach was net mvc that the response code was set to a 302 redirect. That is not a very good solution for SEO optimization. We want the page/url we request to be delivered as a 404 response, not a redirect. Here is an example of what I mean:As you can see in the image above, the customErrors section causes a 302 redirect. The actual page Error/NotFound contains the 404. This is not what we want! First off, we want the custom error page url in the browser to stay the same, but in this case, it changes to Error/NotFound?aspxerrorPath=/Home/FooBar. Ewwwww.In order for us to get a proper status code returned to the browser, and keep our original URL, we need to add a section to the web.config. I also commented outthe customErrors section.When adding this section to your site, keep in mind that if you want to show custom errors while you are developing, you need to set errorMode="Custom". This will allow you to test your error page. Set it to DetailedLocalOnly when you want to see the detailed errors on your development machine.Now, in our ErrorController, we define our actions:Make sure to set the Respone.StatusCode to 404 or the browser will get a 200 (success).One other thing to note; when I added the above to my web.config. At first it didn't work. I had to add the existingResponse="Replace" attribute. This replaces the default 404 / 500 response with your custom content.So, what does it look like now?And a quick check of the developer tools (F12)Now you can see that our response code is 404 for the invalid url, and not a 302 redirect! Yay!Want to try this out yourself? Head over to the GitHub page and download or clone the repo. Then run the solution in Visual Studio 2013.Get This Demo As a thank-you, please consider sending a small donation

ASP.NET Community Standup Forums Help Home/ASP.NET Forums/General ASP.NET/MVC/How i can create custom error page on MVC5 + IIS8? How i can create custom error page on MVC5 + IIS8? [Answered]RSS 8 replies Last post Aug 18, 2014 05:38 AM by Starain chen - MSFT ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Related Links GuidanceSamplesVideos Reply wkololo_4eve... None 0 Points 9 Posts How i can create custom error page on MVC5 + IIS8? Aug 13, 2014 11:31 AM|wkololo_4ever|LINK I need show custom error page. I write this code in Global.asax protected void Application_Error(object sender, EventArgs e) { Exception exception = Server.GetLastError(); Server.ClearError(); RouteData routeData = new RouteData(); routeData.Values.Add("controller", "Error"); routeData.Values.Add("action", "Index"); routeData.Values.Add("exception", exception); if(exception.GetType()==typeof(HttpException)) { routeData.Values.Add("statusCode", ((HttpException)exception).GetHttpCode()); } else { routeData.Values.Add("statusCode", 500); } IController controller = new ErrorController(); controller.Execute(new RequestContext(new HttpContextWrapper(Context), routeData)); Response.End(); } Create Controller public ActionResult Index(int statusCode, Exception exception) { Response.StatusCode = statusCode; ErrorModel model = new ErrorModel { HttpStatusCode = statusCode, Exception = exception }; Response.TrySkipIisCustomErrors = true; return View(model); } It is work if i go to http://mysite.com/{controller}/asdsasad, but it ddoes not workif i go tohttp://mysite.com/asdsaada.html how can I do what I want? Reply B.Alexandrov Member 470 Points 111 Posts Re: How i can create custom error page on MVC5 + IIS8? Aug 13, 2014 12:00 PM|B.Alexandrov|LINK Why you don't just override the OnException method of the MVC?

 

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