c# - How do I segment the elements iterated over in a foreach loop

Question

I need to loop through an entire list of users, but need to grab 20 at a time.

foreach (var student in Class.Students.Take(20))
{
   Console.WriteLine("You belong to Group " + groupNumber);
   groupNumber++;
}

This way the first 20 will belong to Group 1, the second 20 to Group 2, and so on.

Is Take the correct syntax for this? I believe Take will take 20 then be done. Thanks!

Answer 1

You can do something like this:

int i = 0;
foreach (var grouping in Class.Students.GroupBy(s => ++i / 20))
    Console.WriteLine("You belong to Group " + grouping.Key.ToString());