using System; using System.Collections.Generic; using System.Linq; using System.Text; public class MainClass { public static void Main() { int[] numbers = new int[] { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; int i = 0; var q = ( from n in numbers select ++i) .ToList(); // The local variable i has already been fully // incremented before we iterate the results: foreach (var v in q) { Console.WriteLine("v = {0}, i = {1}", v, i); } } }