LINQ to SQL

http://isthmuspuravida.blogspot.com/2007/12/look-into-linq-to-sql.html

http://www.onedotnetway.com/linq-to-sql-tutorial/

http://codebetter.com/blogs/ian_cooper/archive/2007/12/02/architecting-linq-to-sql-applications-part-3.aspx

http://aspguy.wordpress.com/2008/07/28/a-3-tier-architecture-with-linq-to-sql/

http://forums.asp.net/p/1299758/2532587.aspx

http://guy.dotnet-expertise.com/PermaLink,guid,dcd6dcf4-bee5-4a32-86d4-20821e8f556b.aspx

http://krisvandermotten.wordpress.com/2006/11/19/creating-a-data-access-layer-with-linq-to-sql-part-1/

http://weblogs.asp.net/scottgu/archive/2007/05/29/linq-to-sql-part-2-defining-our-data-model-classes.aspx

http://www.c-sharpcorner.com/UploadFile/scottlysle/GenericL2SinCS07212008041344AM/GenericL2SinCS.aspx

http://aspalliance.com/1414_LINQ_to_SQL_Part_4__Updating_our_Database.3

http://weblogs.asp.net/scottgu/archive/2007/08/16/linq-to-sql-part-6-retrieving-data-using-stored-procedures.aspx