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I will be presenting on the VB IDE in Southern California this week at a series of user group meetings. The events will be held in the San Diego and the Los Angeles area. Charlie Calvert from the C# team will be flying down from Redmond to speak as well. The schedule is as follows:  I will be speaking on Visual Basic 2008 IDE Ti...

Recipe 3 showed one way to work with mixed XML content using the XML Descendant axis property and the ReplaceWith method. This is one way to do an identity transform and we’ll look at another method in a later post. There is a key capability not mentioned in Recipe 3 that you will need for fully-functioning identity transforms. That is the co...

An identity transform in XSLT does just what the name implies: replace the identity of an element or attribute with a new identity. Identity transforms are especially critical when dealing with XML markup that is less rigid in its structure. Consider a documentation structure for news articles. Whenever a title is referred to within an article, it ...

On Wednesday we released onto the VB Developer Center the second part of Maurice de Beijer's article on Windows Workflow. In this second article about developing custom Workflow Activities, Maurice takes a look at some of the more advanced aspects of Workflow Activity development.Enjoy,-Beth Massi, VS Community

Over the last few months, the VB and Data Programmability teams were working on fixing a performance problem with LINQ to SQL (which also manifested in LINQ to Entities). The issue was that LINQ to SQL was generating sub optimal T-SQL queries when the VB LINQ queries included filters over nullable columns. For example, consider the following query:...

I recently ran into an interesting threading problem that I wanted to share, so that perhaps I can save some people from the same confusion I had. I started with a C# application someone else had written.  I’ll call it “DeltaEngine” for the purpose of this post.  DeltaEngine calls into a native assembly and handles ...

If you missed it, last week 48 new How Do I videos (Forms over data, Windows development, Office development and Security) were added to the Visual Basic Developer Center in addition to adding new download formats for 12 others. Many thanks to Rob Windsor, Pat Tormey and Steve Hansen for doing these videos.In addition to these I also uplo...

One more set of control skins is up and ready for use. I had hoped to have two ready, but one set needed some additional tweaking work that I can't get to until I return to Seattle on 4/14.This new set is very rough and organic in appearance and maybe even a bit esoteric, but it can still work on various sites or it can be used in early mockups of ...

I wanted to let you know about a hotfix we recently released that may help solve some performance issues you may have run into using Visual Studio 2008.   DetailsThe hotfix is a 3.98MB download and can be found at: http://support.microsoft.com/kb/946344 It addresses performance issues in the following scenarios:•  ...

MVP Maurice de Beijer is at it again with another great article on Workflow Foundation (WF), this time showing us how to create custom workflow activities in "The Power of Custom Workflow Activities (Part 1)". This is the first of a two part series on how to create custom activities but if you need to get started with an intro first you c...