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How To Throw 404 Error Asp.net

C#VB Copy void Application_Error(object sender, EventArgs e) { // Code that runs when an unhandled error occurs // Get the exception object. Had the site been designed to work correctly, this would not have been an issue. The original exception object is not available.

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See Also Tasks How to: Handle Page-Level Errors How to: All rights reserved. http://upintheaether.com/how-to/how-to-throw-error-message-in-vb-net.php

If this exception was thrown when CustomErrors is off, will it show the standard ASP.Net exception page with a stacktrace? –Earlz Feb 11 '11 at 22:08 2 @Earlz, if customErrors="Off" The page displays the same message to remote and local users. asked 5 years ago viewed 8274 times active 2 years ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? Why not just redirect to your product not found page (404.aspx) when this occursthrough response.redirect?

Sergey Alexandrovich Kryukov 31-Oct-13 21:20pm You are diverting discussion into other, irrelevant topics. Also note that I'm using a html page again, not aspx. Instead ASP.NET issued a redirect to /404.html?aspxerrorpath=/foo/bar. A combination of redirects to 404.aspx and 404 Responses would have been particulary convincing.

Now, if you do Web development yourself, this is your obligation to be aware of that, configure those file names (or ask you Web hosting customer service), develop appropriate error-response HTML Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! Word with the largest number of different phonetic vowel sounds Why did my electrician put metal plates wherever the stud is drilled through? If you want to discuss security, feel free to ask a separate question.

It has nothing to do with logging, and redirecting this error to a login page would be a big mistake. Sample code would be appreciated. How can I create this table in Latex Why are there 2 copies of RNA in the HIV virus? http://stackoverflow.com/questions/10163238/correctly-send-user-to-404-if-dynamic-content-is-not-found-asp-net-mvc but about how to preform a simple request.

ASP.NET then renders error pages to external users. But if the requested product is not found, the HTTP response contains an HttpError in the request body. We appreciate your feedback. All done, right?

Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. http://forums.asp.net/t/1448958.aspx?Throwing+404+error None Copy Global.asax The following example shows the Global.asax Unfortunately, the question still has not been answered (How do you make an ASPX page make an ASP.NET 404 error display versus an IIS 404 error message), thus no "Green Accept". Why is a lottery conducted for sick patients to be cured?

So many website out there use custom 404 pages and I find it hard to believe that they all have just said "a 302 is good enough, we don't need to The user should really see "error 404". The Application_Error handler displays an error page and logs some of the remaining errors. If you're using this filter you'll need to either update the existing view with your custom error page HTML or create the view if it doesn't already exist (best to do

Add Models and Controllers3. This exception bubbling keeps happening until a catch can deal with it or you exit the application with an error. What's the problem, is your authentication weak? I answered your question.

However, you will never get a 404 from an application if you have specified a redirect for the 404 code in the customErrors section of the web.config. Not only is is misleading as we're returning a 200 response when a resource does not exist, but it's also bad for SEO. Sorry this wasn't helpful.

Permalink Posted 28-Jan-14 20:05pm Ahmed Jubayer3.4K Updated 28-Jan-14 21:01pm v3 Rate this: Please Sign up or sign in to vote.

Browse other questions tagged asp.net http exception or ask your own question. Currently, redirecting users to a custom 404 error page is out of the question. Failure to do so is considered as unprofessional and sloppy. Exception filters in ASP.NET Web API are similar to those in ASP.NET MVC.

What makes you thinking that you need some security measures which would take "complete site redesign"? All-Star 24009 Points 4088 Posts Microsoft Re: Best way to throw 404 error? I would reluctantly accept your explanation about budget if I understood what would be the alternative which would need more money. Yes it is a matter of cost.

Is this the proper way to invoke an error handeler AND set the the status code? context.Response.Cache.SetCacheability(HttpCacheability.NoCache); context.Response.Cache.SetNoStore(); context.Response.Cache.SetExpires(DateTime.MinValue); if (ValidateParameters(context) == false) { //Internal Server Error context.Response.StatusCode = 500; context.Response.End(); return; } if (context.User.Identity.IsAuthenticated == false) { //Forbidden context.Response.StatusCode = 403; context.Response.End(); return; } string someParam As Antonio Bakula says in the other answer, you have to do: throw new HttpException(404, "Not found") Then the customErrors will work. Your Email This email is in use.

By default, most exceptions are translated into an HTTP response with status code 500, Internal Server Error. I could just do a return Redirect('/Errors/Http404'); but that doesn't seem like the correct way to do it. But how should it be handled inside the controller if the user is trying to access something that can't be found? This page also creates a safe message that depends on the value of the error code, which it displays to remote users.

c# asp.net-mvc asp.net-mvc-3 http-status-code-404 share|improve this question edited Apr 15 '12 at 15:17 asked Apr 15 '12 at 15:11 John-Philip 343419 add a comment| 3 Answers 3 active oldest votes up Best way to throw 404 error? In web.config I wrote:

In Page_Load(): if (!ProductExists(product_id) { Response.Clear(); Response.StatusCode = 404; Response.End(); } But this And you note in complete redesign and hosting is totally irrelevant.