FIX: An XamlParseException exception is thrown when you run an application that uses an XAML-based control in Visual Studio 2012

This article applies to Microsoft Visual Studio 2012.

Symptoms

Consider the following scenario:

  • You create an application that uses an Extensible Application Markup Language (XAML)-based control in Visual Studio 2012.

  • The XAML-based control is included in an assembly whose name contains a dot (.) symbol.

  • You run the application.

In this scenario, an XamlParseException exception is thrown.

Resolution

To resolve this issue, apply this hotfix. After you apply the hotfix, you need to rebuild the project or solution to resolve this issue.

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

To apply this hotfix, you must have Visual Studio 2012 installed.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information


This hotfix does not replace any other hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported versions of Visual Studio 2012

File name

File version

File size

Date

Time

Platform

Microsoft.windows.ui.xaml.build.tasks.dll

11.0.51213.100

705,096

13-Dec-2012

09:43

x86

Microsoft.windows.ui.xaml.common

Not applicable

27,998

12-Dec-2012

19:19

Not applicable


Workaround

To work around this issue, avoid using the dot (.) symbol in the assembly name.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

Thank you for your feedback!

×