mvc display exception on error page

Question

Simple question: If I've got a generic Error.aspx page in my Shared folder (and the requisite HandleError on my controller). How do I show the exception message that triggered it?

This Scott Gu post states that the functionality should be in the default Error.aspx generated with new projects, but that was Preview 4, and I'm assuming that fell out with the v1.0 release.

Danny Tuppeny · Accepted Answer · 2012-06-07 22:15:34Z

6

ASP.NET MVC HandleError Attribute, Custom Error Pages and Logging Exceptions

ASP.NET has a nice web.config setting that configures custom errors. This property is exposed via MVC, so we can set up our config to show friendly errors to remote users only:

<customErrors mode="RemoteOnly" />

edited Jun 7, 2012 at 22:15

Danny Tuppeny

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answered Jul 14, 2009 at 14:27

Robert Harvey

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2 Comments

gfrizzle Over a year ago

Good article. To complete the loop, I'm overriding OnException and adding the exception message to a TempData variable so I can show it on the Error.aspx page. Thanks.

Keith Adler Over a year ago

You should never ... and I stress never ... under any circumstance reveal the details of an exception to your users. Also, you'll need to use the [HandleError] action filter on your controller(s) or class(s) as well. msdn.microsoft.com/en-us/library/dd410203.aspx

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