Here are a couple of good links on LINQ for starters Post author:Shawn Post published:February 4, 2009 Post category:Development 101 Samples for Linq http://msdn.microsoft.com/en-us/vcsharp/aa336746.aspx A few details on the join operator http://www.hookedonlinq.com/JoinOperator.ashx You Might Also Like How to Alter a SQL Server Database as Single User Mode and as Multi User Mode November 20, 2009 A useful tool set for working with DBF files November 30, 2009 Generic Databinding with Silverlight June 1, 2009