Editable grid demo

[mmmosias]

Is there an editable grid demo showing more than one column?  In the demo list only the long text in cell (example_column_editor.html) works.  The various cell editor doesn't, the customize column editor doesn't, the data validation doesn't.  These demos show an empty box on the sigmawidgets.com site and in the download.  Where can I get a demo where there is more than one column editable.  If I edit the demo that works to make other columns editable, this breaks the demo, and empty box shows.