I am creating a servlet based application that allows the user to export
data to excel, edit it, and upload it back to the servlet for
processing. Some columns in this spreadsheet contain values that are to
be selected from a list of values. For instance column D might accept
"circle", "triangle, or "square". It would be very convenient if I could
generate listboxes in the cells of column D so the user can use the
listbox to select from those 3 allowed values.

It looks like excel supports listboxes through validators on the cell
and the "forms" toolbar (using VB or ActiveX controls). Does anyone have
experience using POI to create these type of controls?

Thanks,
ryan


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