colLineSum.setHeaderStyle(columnHeaderStyleNumber);
colLineSum.setStyle(columnDetailStyleNumbers);
// Add the columns to the report in the whished order
drb.addColumn(colQuantity);
drb.addColumn(colArticleText);
drb.addColumn(colSinglePrice);
drb.addColumn(colLineSum);
/**
* Add a global total sum for the lineSum field.