Excel Cell Format in JasperReport Report

Question

I\'m working on JasperReport Report that generates Excel file. For some reason my cell formats/types are not how they should be. For example I have Date object in my cell bu

Answer 1

Just FYI

setParameter(JRXlsExporterParameter.IS_AUTO_DETECT_CELL_TYPE, Boolean.TRUE); 

or IS_DETECT_CELL_TYPE, Boolean.TRUE is the one which makes the Date to change to number .