Good article on Genetic Algorithm in C#
http://msdn.microsoft.com/msdnmag/issues/04/08/GeneticAlgorithms/default.aspx

http://www.c-sharpcorner.com/Code/2002/July/GeneticAlgorithm.asp
http://www.c-sharpcorner.com/Code/2004/July/NumericSeriesGA.asp   (good one with examples)
http://www.onyeyiri.co.uk/computers/csharp/ga_code/index.php

http://www.c-sharpcorner.com/Algorithms.asp
http://geneticalgorithms.ai-depot.com/GeneticAlgorithms/
http://www.aic.nrl.navy.mil/galist/