VS2008 SP1: Issues Changing Your Installed Features

We’ve had many users report issues when trying to change their installed features in VS2008 SP1.  The error looks like the following: This is a bug not in SP1 itself, but shared in several other hotfixes released after SP1.  Some notable culprits are KB971092, KB972222, and KB973675, all of which show up on Microsoft update. …

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Silverlight 4 Upgrade Breaks Silverlight Debugging Experience

A design change in the Silverlight 4 installer now causes older developer runtime to be upgraded when a newer client runtime installer is executed.  This causes the Silverlight debugging components to be uninstalled, and breaks the debugging experience: The workaround for this is to install the latest Silverlight developer runtime, which you can find at…

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Finding the Visual Studio Activity Log

Sometimes when something goes wrong in Visual Studio, you might see the following dialog: We’ve had a number of users comment that the couldn’t find the file.  This is because the file is only written when you run Visual Studio’s executable (devenv.exe) with the /log parameter.  If you are reporting an issue to us (especially…

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64-Bit Team Build Fails on Silverlight Projects (and How to Fix It)

If you have a Silverlight project under source control, and try to build it on a 64-bit Team Build (or similar) server, you may encounter the following error: After checking the immediately obvious (i.e. is the SDK installed), you might wonder why this is happening.  It has to do with the build running under 64-bit…

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MSBuilding Web Site Projects doesn’t Copy Silverlight XAP (and How to Fix It)

If you have a Silverlight application that is consumed by a Web Site Project in Visual Studio (not to be confused with a Web Application Project), and you use msbuild on your solution, you may find that the XAP file is not copied to the website.  This will also happen if your solution is building…

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Refactoring Root namespace Breaks Silverlight Applications (and How to Fix It)

One scenario that happens fairly often for new apps is to create a new project and then part way through decide you want to rename it, or at least the default namespace.  With Silverlight apps, when you do this and try to run your project, you’ll see an error: Line: 56Error: Unhandled Error in Silverlight…

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Silverlight 3 Support in VS2010 Beta 2

This evening I put up a blog post on my team’s blog to summarize some of the changes that have come in the Beta 2 release of VS2010 with regards to Silverlight development.  Check it out and leave any feedback. If you’re trying out the new beta, please give feedback and tell us what you…

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VS2010 Beta 2 installation issue with Silverlight 3 SDK

Some folks have already started trying out the latest VS2010 release, and have been receiving installation failures for the Silverlight 3 SDK.  This is a known issue, and fairly easy to work around. The problem is caused by having the Silverlight 3 RTW version of the SDK installed (3.0.40624.0).  VS2010 tries to install the Silverlight…

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Debugging Silverlight Applications in Out Of Browser Mode

On an internal mailing list yesterday, someone asked how to debug their Silverlight 3 application as it runs Out of Browser.  They were seeing some behavior that would only reproduce in the first few seconds and only in OOB mode.  Fortunately, you can install your app locally and then debug it directly in the Out…

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Upgrading to Silverlight 3 Tools for VS2008 (RTW)

With the release to web (RTW) of Silverlight 3, a lot of folks will [hopefully] be upgrading to take advantage of the new features now offered.  The first question that will come up probably is, “how do I upgrade?”  Upgrading should actually be a very easy experience.  The Silverlight 3 Tools installer will do most…

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