ASP.NET Syntax   ASP.NET Configuration Sections

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Provides information about custom error messages for an ASP.NET application.

<customErrors 
   defaultRedirect = "url"
   mode = "On | Off | RemoteOnly">
   <error
      statusCode = "statuscode"
      redirect = "url" />
</customErrors>

The <customErrors> tag supports two attributes and one subtag.

Attribute	Option	Description
defaultRedirect		Specifies the default URL to direct a browser to if an error occurs.
mode		Specifies whether custom errors are enabled, disabled, or shown only to remote clients.
	On	Specifies that custom errors are enabled.
	Off	Specifies that custom errors are disabled.
	RemoteOnly	Specifies that custom errors are shown only to remote clients.

Subtag	Description
<error>	The error subtag can appear multiple times. Each appearance defines one custom error condition.

The <error> tag supports two attributes.

Attribute	Description
statusCode	Specifies the error status code that redirects a browser to a nondefault error page.
redirect	Specifies the URL to redirect the browser to if an error occurs.

The following example specifies the error handling pages to use for an ASP.NET application.

<configuration>
   <system.web>
      <customErrors defaultRedirect = "genericerror.html"
         mode = "RemoteOnly">
         <error statusCode = "500"
            redirect = "InternalError.html" />
      </customErrors>
   </system.web>
</configuration>

ASP.NET Configuration   CustomErrorsSection Class   CustomErrorsMode Enumeration