headerBand.setHeight(headerHeight);
templateDesign.setColumnHeader(headerBand);
JRDesignBand detailBand = new JRDesignBand();
detailBand.setHeight(detailHeight);
detailSection.addBand(detailBand);
final int columnWidth;
final int numColumns = columns.size();
if (columns.isEmpty()) {
columnWidth = templateDesign.getPageWidth();