Has anyone been able to create a HtmlDataTable with dynamic col and rows?

Has anyone been able to create a HtmlDataTable with dynamic col and rows?
If so please explain. I am successfully able to dynamically add columns using the getChildren method of the htmldatatable object
BUT for each new column created no data is displayed.
I am only able to display data for columns originally created when i clicked and dragged the dataTable icon from the pallette in netbeans visual web kit.
Any help on this is greatly appreciated. I have been searching the web and these forums for around 8 hours and no one seems to have a working example of this. Lots of similar posts asking how to do it though :(
Thanks in advance.

This might be useful: http://balusc.xs4all.nl/srv/dev-jep-dat.html

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