The control uses javascript to handle Number formatting as you keep typing and does the validation as well. For one of our requirement, we needed a javascript based control that did formatting as the users kept typing. Google search only yielded script that did formatting on focus change events only. So I went about creating a new control myself.
how to use recusive medthod to generate
Solomon sequence Number
http://www.programming-challenges.com/pg.php?page=downloadproblem&probid=110607&format=html
