lovDetail.setDescriptionColumnName(descriptionColumn);
List invisCols = getInvisibleColumns(columns, visibleColumns);
lovDetail.setInvisibleColumnNames(invisCols);
lovDetail.setValueColumnName(valueColumn);
lovDetail.setVisibleColumnNames(visibleColumns);
String newLovProvider = lovDetail.toXML();
modVal.setLovProvider(newLovProvider);
session.delAttribute(SpagoBIConstants.MODALITY_VALUE_OBJECT);
session.delAttribute(SpagoBIConstants.MODALITY);
}