Custom Error page (404)

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Hallo,

I have added a custom error page for my vb.net application. The section in the web.config-file looks like this:

XML

<customErrors mode="On" defaultRedirect="/error/error.aspx">
      <error statusCode="404" redirect="/error/error404.aspx" />
    </customErrors>

If I test this locally using visual studio, it works fine. However, if i deploy the project on the web-server it only works partially. If I type in a web address, that does not exist, I am redirected to the error page. However, when I try to open a pdf-document via the web application that I do not have access to (and that physically does not exist in the sub-folder I access) I get the standard 404-page, not my custom page.
Are there any settings on the web-server or any other sections of the web.config file I have to modify?

Thanks in advance

Posted 2-Jan-12 23:23pm

chris085

Updated 2-Jan-12 23:27pm

Mehdi Gholam

v2

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3 solutions

Solution 3

Look at the IIS configuration how the error pages are configured.

More details at: http://www.dotnetscraps.com/dotnetscraps/post/Did-you-know-Enable-Custom-Error-in-IIS-7-75.aspx[^]

Posted 2-Jan-12 23:48pm

gwamb

Solution 2

Hi,

Please refer Custom error in IIS

hope this will help you,

thanks
-amit

Posted 2-Jan-12 23:35pm

AmitGajjar

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Abhinav S · Accepted Answer · 2012-01-02T23:34:00

By default, the IIS web server processes requests for static content like images and HTML files without invoking the ASP.NET engine. Consequently, if the user requests a non-existent file they will get back IIS's default 404 error message rather than ASP.NET's configured error page.

A PDF download request would be taken care of by IIS and not ASP.Net handlers.
As a result, you don't see your 404 custom error handler page.

Have a look at http://www.asp.net/web-forms/tutorials/deployment/displaying-a-custom-error-page-cs[^] for more details.