The Visual Basic Team

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LINQ Deep Dive and Best Practices Presentation Materials (Lisa Feigenbaum) 15 May 08 04:45 PM: I presented the following talk this week at VSLive! Orlando 2008 : Visual Studio 2008: LINQ Deep Dive and Best Practices LINQ (Language Integrated Query) is a key platform innovation introduced with Visual Studio 2008 which brings SQL-style query expressions Read More...
Postedby VBTeam | 2 Comments
Filed under: Lisa Feigenbaum, LINQ/VB9, VB2008
VB 2008 IDE Tips & Tricks Presentation Materials (Lisa Feigenbaum) 14 May 08 11:54 PM: Last week I went on a user group tour around Southern California. I've uploaded the materials from my talk: Powerpoint presentation Solution at the Start of the Demo Solution at the End of the Demo You can find these all posted together on the following Read More...
Postedby VBTeam | 3 Comments
Filed under: Lisa Feigenbaum, LINQ/VB9, IDE, Orcas, VB2008
How LINQ to Dataset works in VB (Jonathan Aneja) 14 May 08 04:52 PM: LINQ at its core requires any data source to be queryable , which basically means it must implement IEnumerable. (It’s actually a bit more complicated than that, for a full explanation see section 11.21.2 of the Visual Basic 9.0 Language Specification Read More...
Postedby VBTeam | 4 Comments
Filed under: LINQ/VB9, Data_Design, Jonathan Aneja, Extension_Methods, VB2005, Orcas, VB2008, VS2005
Using LINQ to Dataset in an .aspx page (Jonathan Aneja) 13 May 08 06:35 PM: Recently I got a customer question about how to use LINQ to Dataset in an .aspx file. The compiler was complaining that it couldn't find the AsEnumerable method that allows LINQ to work over a DataTable ("AsEnumerable is not a member of 'DataTable'"). Read More...
Postedby VBTeam | 2 Comments
Filed under: LINQ/VB9, Jonathan Aneja, Extension_Methods, Orcas, VB2008, Web
Converting SQL to LINQ, Part 10: Like (Bill Horst) 07 May 08 04:54 PM: This post assumes you’ve read my previous Converting SQL to LINQ posts. I haven’t had much in the way of specific requests for more LINQ posts, so I’d still welcome any suggestions that people want to offer. I did get one request about how to mimic the Read More...
Postedby VBTeam | 8 Comments
Filed under: LINQ/VB9, VB2008, Bill Horst, Converting SQL to LINQ
VB XML Cookbook, Recipe 4: Get Inner XML from the Nodes Property (Doug Rothaus) 01 May 08 04:50 PM: 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 Read More...
Postedby VBTeam | 1 Comments
Filed under: LINQ/VB9, Orcas, VB2008, Doug Rothaus, XML, VB XML Cookbook
VB XML Cookbook, Recipe 3: Identity Transforms (Doug Rothaus) 25 April 08 11:19 AM: 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 Read More...
Postedby VBTeam | 2 Comments
Filed under: LINQ/VB9, Orcas, VB2008, Doug Rothaus, XML, VB XML Cookbook
VSLive San Francisco Content (Amanda Silver) 31 March 08 02:19 PM: All - I'm about to go on for my LINQ Deep Dive and Tips &Tricks session at VSLive in San Francisco. I posted all demos & slides here: https://code.msdn.microsoft.com/Release/ProjectReleases.aspx?ProjectName=LaunchVB&ReleaseId=805 Read More...
Postedby VBTeam | 4 Comments
Filed under: Amanda Silver, LINQ/VB9, IDE, Extension_Methods, VB2008, IQueryable, controls
LINQ to SQL (and LINQ to Entities) performance improvements (Tim Ng) 28 March 08 08:58 AM: 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 Read More...
Postedby VBTeam | 1 Comments
Filed under: LINQ/VB9, Timothy Ng
VB XML Cookbook, Recipe 2: Descendants and Ancestors (Doug Rothaus) 19 March 08 04:23 PM: This entry in the cookbook shows how you can access descendant and ancestor elements in an XML document using Visual Basic, XML Axis properties, and LINQ to XML objects. Descendants Visual Basic provides XML Axis properties that enable you to easily refer Read More...
Postedby VBTeam | 1 Comments
Filed under: LINQ/VB9, Orcas, VB2008, Doug Rothaus, XML, VB XML Cookbook
Keeping Track of Books Using VB (Matt Gertz) 02 March 08 05:25 PM: I have a confession to make. I’m not a database guy. I’ve done a lot of varied coding over my career, but somehow I’ve never been directly involved in the guts of database coding. Whenever my code needed some sort of data-caching mechanism, I’ve tended Read More...
Postedby VBTeam | 6 Comments
Filed under: LINQ/VB9, Matt Gertz, VB2008
VB XML Cookbook, Recipe 1: XML Transformations using XML Literals (Doug Rothaus) 21 February 08 12:22 PM: I was working on a blog entry about replacing XSLT transforms with Visual Basic XML Literals. As the entry progressed, I noticed that it was really, really long. So, Avner Aharoni and I talked things over and we decided to break it up into multiple entries Read More...
Postedby VBTeam | 6 Comments
Filed under: LINQ/VB9, Orcas, VB2008, Doug Rothaus, XML, VB XML Cookbook

Attachment(s):AdventureWorksContacts.zip
Converting SQL to LINQ, Part 9: Full Outer Join (Bill Horst) 12 February 08 08:47 AM: This post assumes you’ve read the previous posts in this series. It makes the same assumptions as Part 8, and I will pick up where I left off, covering Full Outer Join. Once again, I recognize this isn’t an ideal situation, so if you’d like to see better Read More...
Postedby VBTeam | 5 Comments
Filed under: LINQ/VB9, VB2008, Bill Horst, Converting SQL to LINQ
Converting SQL to LINQ, Part 8: Left/Right Outer Join (Bill Horst) 31 January 08 11:37 AM: This post assumes you’ve read the previous posts in this series. After my post on joins , I’ve had some questions about outer joins. As you can see in part 6, VB9 doesn’t have smooth support for Left or Right join. I showed how to get similar functionality Read More...
Postedby VBTeam | 9 Comments
Filed under: LINQ/VB9, VB2008, Bill Horst, Converting SQL to LINQ
Channel 9 Interview: XML Properties and Enabling IntelliSense (Beth Massi) 17 January 08 07:54 PM: Today I posted a Channel 9 interview with Avner Aharoni, a Program Manager on the Visual Basic Team. In this interview Avner shows us how to enable XML IntelliSense in Visual Basic using the XML to Schema Wizard . He also shows the differences between Read More...
Postedby VBTeam | 0 Comments
Filed under: LINQ/VB9, Beth Massi, VB2008, XML

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