>>It was you that started with Contains, if memory serves
>>
>>But anyway http://msdn.microsoft.com/en-us/library/czz5hkty.aspx
>>
>>Arrays implement the IEnumerable interface. http://msdn.microsoft.com/en-us/library/vstudio/9eekhta0(v=vs.100).aspx
>> IEnumerable contains Contains.
>>
>> Hence, ...
>
>I needed to add
>
>using System.Linq
>
>for the above implementation to compile. And so far it worked great.


Every new class adds system.linq automatically