String labelColumn = (String) getProperty("labelColumn");
// get form data
FormDataDao formDataDao = (FormDataDao) AppUtil.getApplicationContext().getBean("formDataDao");
results = formDataDao.find(formDefId, tableName, condition, conditionParams, labelColumn, false, null, null);
if (results != null) {
if ("true".equals(getPropertyString("addEmptyOption"))) {
FormRow emptyRow = new FormRow();
emptyRow.setProperty(FormUtil.PROPERTY_VALUE, "");