How to get unique combination of values from different arraylists contained in a sing

[C# Programming]

I have one mother arraylist which contains no. of arraylist whose count is dynamic.
All childArrayList contains string values. I have to get all unique combinations for all the values in all arraylist.
If motherArrayList contains 4 arraylist, then length of combination string should be 4.

modified on Wednesday, April 1, 2009 2:59 AM