SOLVED: Tables with dynamic number of columns?

[janpla]

I am creating an application that needs to return data in a table, but I don't know the exact number of columns at design time; the h:dataTable tag doesn't support this at all, and h:panelGrid, where one can specify the number of columns, is no use either, really, because then you loose all the functionality you have in h:dataTable.

Some time ago, while I was looking for a way to upload files in JSF, I came across http://balusc.blogspot.co.uk/2009/12/uploading-files-with-jsf-20-and-servlet.html, which talks about creating custom components and renderers. Perhaps that is the way to proceed?

Has anybody here already cracked this? And are they willing to share the secret? Otherwise, I'll have to find a solution myself, and then I'll post it here, of course.

[janpla]

I found the answer myself: use PrimeFaces, the p:dataTable tag does it.