Grouping lists into groups of X items per group

Question

I\'m having a problem knowing the best way to make a method to group a list of items into groups of (for example) no more than 3 items. I\'ve created the method below, but w

Answer 1

Here's one way to do this using LINQ...

public static IEnumerable> GroupBy
    (this IEnumerable source, int itemsPerGroup)
{
    return source.Zip(Enumerable.Range(0, source.Count()),
                      (s, r) => new { Group = r / itemsPerGroup, Item = s })
                 .GroupBy(i => i.Group, g => g.Item)
                 .ToList();
}

Live Demo