CodePlex Home ... Drag the L2ST4.ttinclude and either CSharpDataClasses.tt or VBNetDataClasses.tt files to ...

http://l2st4.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=31180. Then you could use a c# to vb.net converter for the rest of the classes:

There won’t be T4 templates for LINQ to SQL in-the-box but I’ll be continuing to update the LINQ to SQL T4 template on CodePlex at http://l2st4.codeplex.com which right now ...

I'll leave it up to you to download, install and configure the templates to work on your dbml file using the instructions on the L2ST4 CodePlex site.

http://l2st4.codeplex.com/ http://oakleafblog.blogspot.com/2008/07/bidirectional-serialization-of-linq-to.html; After you download and install the template, make the following ...

... you need bidirectional associations serialized, I think DamienG's T4 templates ( http://damieng.com/blog/2009/01/19/linq-to-sql-templates-updated-now-on-codeplex / http://l2st4 ...

I believe they will fix it in the next release of Visual Studio, but for now, there is another solution from my hero damieng at CodePlex: http://www.codeplex.com/l2st4.

Damien discusses the T4 templates in EF/VS2010 as well as the LINQ to SQL T4 templates he’s released on CodePlex as L2ST4. New features in EF 4 (LINQ operators, ObjectSet)

... T4 template with the same name as the dbml file name. e.g. Northwind.dbml -> Northwind.tt (almost all code stolen from here, so look here if you need help http://l2st4.codeplex.com