blackberry/bbUI.js — pull request #703 by haixuanc (2013-02-18 08:23:03+00:00)
Title: Issue #312 - added getNumColumns(), setNumColumns(value) for grid row interface

1. Grid row interface: getNumColumns(), setNumColumns(value)
2. For setNumColumns(value), not sure if I should check if value is a non-negative integer and throw an error if not.