namespaceData{   ///<summary>   ///数据库建立工厂   ///CreatedBy:张占岭   ///CreatedDate：2011-10-14 ...

http://www.codewars.com/kata/56676e8fabd2d1ff3000000c/train/csharpCanyoufindtheneedleinthehaystack?Writeafunction findNeedle() thattakesan array&...