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customerrorreporting-element-clickonce-deployment.md

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title <customErrorReporting> Element (ClickOnce Deployment)
description The customErrorReporting element specifies a URI to show when an error occurs instead of an error dialog box showing the exception stack.
ms.date 11/04/2016
ms.topic reference
dev_langs
VB
CSharp
C++
helpviewer_keywords
<customErrorReporting> element [ClickOnce deployment manifest]
author mikejo5000
ms.author mikejo
ms.subservice deployment

<customErrorReporting> element (ClickOnce deployment)

Specifies a URI to show when an error occurs.

Syntax

<customErrorReporting
   uri
/>

Remarks

This element is optional. Without it, ClickOnce displays an error dialog box showing the exception stack. If the customErrorReporting element is present, ClickOnce will instead display the URI indicated by the uri parameter. The target URI will include the outer exception class, the inner exception class, and the inner exception message as parameters.

Use this element to add error reporting functionality to your application. Since the generated URI includes information about the type of error, your Web site can parse that information and display, for example, an appropriate troubleshooting screen.

Example

The following snippet shows the customErrorReporting element, together with the generated URI it might produce.

<customErrorReporting uri=http://www.contoso.com/applications/error.asp />

Example Generated Error:
http://www.contoso.com/applications/error.asp? outer=System.Deployment.Application.InvalidDeploymentException&&inner=System.Deployment.Application.InvalidDeploymentException&&msg=The%20application%20manifest%20is%20signed,%20but%20the%20deployment%20manifest%20is%20unsigned.%20Both%20manifests%20must%20be%20either%20signed%20or%20unsigned.

See also