# c# – How to set web.config file to show full error message

## The Question :

149 people think this question is useful

I deployed my MVC-3 application on windows Azure. But now when I am requesting it through staging url it shows me (Sorry, an error occurred while processing your request.). Now I want to see the full error message, by default it is hiding that because of some security reasons. I know that we can do this through web.config file. But how?

261 people think this answer is useful

not sure if it’ll work in your scenario, but try adding the following to your web.config under <system.web>:

  <system.web>
<customErrors mode="Off" />
...
</system.web>



works in my instance.

also see:

CustomErrors mode=”Off”

134 people think this answer is useful

This can also help you by showing full details of the error on a client’s browser.

<system.web>
<customErrors mode="Off"/>
</system.web>
<system.webServer>
<httpErrors errorMode="Detailed" />
</system.webServer>



public static void RegisterGlobalFilters(GlobalFilterCollection filters)