Generic Collections Dictionaries, LINQ in C#

Dictionaries Basics

http://msdn.microsoft.com/en-us/library/xfhwa508.aspx

Tips and tricks on Dictionaries
http://www.dotnetperls.com/dictionary-keys

LINQ Tutorial
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Basic Key word for LINQ QUERY
http://msdn.microsoft.com/en-us/library/bb310804.aspx
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LINQ Tutorial
http://msdn.microsoft.com/en-us/library/bb397676.aspx
http://msdn.microsoft.com/en-us/library/bb397906.aspx
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LINQ Exapmle
http://www.c-sharpcorner.com/UploadFile/jonpreecebsc/3853/