CoNatural announces that both their DAL and asynchronous framework have been published to CodePlex. They have also uploaded a Visual Studio plugin for migrating stored procedures as CoNatural commands.
Justin Etheredge has a nice post explaining why LINQ is not LINQ to SQL.
Kirill Osenkov presents his Undo/Redo framework.
Visual Studio 2010
Channel 9 host a new episode about creating extensible applications with MEF.
Jimmy Bogard shows how he does MVC in his current project.
Chad Myers explains how Front Controller should be implemented in MVC.
Entity Framework 4.0
Julie Lerman talks about model-defined functions and why work with ObjectStateEntities instead of the objects directly.
Matthieu Mezil writes about POCO T4 templates.
Alex James continues his series of tips showing how to avoid database queries using Stub Entities.
Matthieu Mezil show how to implement EF4.0 IObjectSet<T> methods in EF1.0.
ASP.NET AJAX 4.0
Jonathan Carter shows how the new Sys.Data.DataContext and Sys.Data.AdoNetDataContext classes can be used to consume server side data from a WCF/ASMX or ADO.NET Data Service and how the change tracking and data persistence functionality of DataContext works.
Maarten Balliauw shows how to implement application-wide action filters.
David Hayden shows the MvcContrib Grid and Pager helpers.
Simone Ince shows how to detect a Server.Transfer call.