Defining a Left Join with LINQ Queries (
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Summary
To implement a left join in LINQ use two sequences, an into clause, and DefaultIfEmpty. That’s all there is to it. (Now I have to go. I have to copy my Tito Puente and Burt Bacharach songs to my iPod.)
Biography
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Paul Kimmel is the VB Today columnist for www.codeguru.com and has written several books on object-oriented programming and .NET. Check out his upcoming book LINQ Unleashed for C# due July 2008. Paul is an application architect for Electronic Data Systems in Lansing, Michigan. You may contact him for technology questions at pkimmel@softconcepts.com.
If you are interested in joining or sponsoring a .NET Users Group, check out www.glugnet.org. Glugnet opened a users group branch in Flint, Michigan in August 2007. If you are interested in attending, check out the www.glugnet.org web site for updates.
