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...

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...

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...

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...

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. ...

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...

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,...

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...

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...

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...

There’s been some confusion with setting up Silverlight development the VS 2010 Beta 1 release, since the Silverlight SDK and developer runtime are part of the installation.  In order for Silverlight to work in VS2010, you need to install both the...

In Dev10 Beta 1, which was just released, there isn’t any way to enable the Transparent Platform Extensions (aka Assembly Caching) or Out of Browser features for Silverlight 3 Beta. To enable these manually is pretty straight forward. However, you should...

In Dev10 Beta 1, the Silverlight-enabled WCF Service template is the version used for Silverlight 3 beta.  This uses a custom binding to enable binary encoding, and is incompatible with Silverlight 2 applications.  If you attempt to add a reference...

With the release of the Web Platform Installer 2.0 beta at MIX last week, you can now install any of the cool development packages we’ve been releasing with a single combined application.  However, there are a couple issues that can come up, especially...

With the release of Silverlight 3 Beta, you’ll may want to try out the new features. Unfortunately, Silverlight 3 Beta is a developer only release (no end-user runtime, no GoLive license), so you might end up going back and forth. Even more unfortunate...

In Silverlight 3, the help files are shipping as a separate CHM file, instead of integrating with the offline Visual Studio documentation. We received a lot of feedback during Silverlight 2 about the installation time being very long, and one of the main...

In Silverlight 3, we’ve introduced support for binary message encoding for WCF services, which should give a performance boost. Silverlight 2, as you may recall, only supports basicHttpBinding. The new binding is the default for Silverlight-enabled WCF...

A fair number of people are having issues with the ASP.NET control used to host Silverlight applications ceasing to work when they upgrade from Silverlight Beta 2 to Silverlight 2 RTW.  If the HTML page is also broken, the first thing to check is...

The RTW release of Silverlight Tools for VS 2008 is out!  There are no functional changes from RC1, and hence no upgrade prompts or breaking changes.  The hot-fix was re-built for servicing reasons, so please do upgrade.  If you are upgrading...

Today we’ve released the remaining languages of Silverlight Tools RC1 for Visual Studio 2008.  We now have releases in English , Japanese , Chinese (Simplified/PRC) , Chinese (Traditional/Taiwan) , Korean , French , Italian , German , and Spanish...

There’s been a few questions that come up between all of the Silverlight 2 releases, especially with regards to installing and upgrading tools. I’d like to address a few of the FAQs for the Silverlight 2 Tools for VS2008: Q: I have a previous version...

Starting with RC0 and continuing through our RTW release of Silverlight 2 Tools for Visual Studio, we’ve moved the developer runtime installer into a downloadable dependency. This makes the Silverlight Tools chain installer smaller to download,...

Currently in Silverlight Tools Beta 2, by default when you create a new Silverlight Application, Web Site is the default project type for hosting the Silverlight app, and Web Applications are the only other option.  However, you might either prefer...

While working on a Silverlight application, I wanted to have two instances of a class which faced each other.  After exploring the available transforms, I eventually remembered how to do it simply by scaling the object in a negative direction. First...