Here we take a simple example of LINQ. We just compare a number with a number of digits:
  1. int[] digits = { 5, 4, 1, 7, 9, 8, 6, 7, 4, 5 };
  2. var num =
  3. from n in digits
  4. where n >= 6
  5. select n;
  6. Console.WriteLine("Numbers < 5:");
  7. foreach (var x in num)
  8. {
  9. Response.Write(x);
  10. }