String className = getClassName();
// check set or clear value
if ("N/S".equals(className)) {
m_binding.setConverter(null);
} else {
ConverterInfo converter = m_binding.getConverter();
// check new converter or edit value
if (converter == null) {
converter = new ConverterInfo(className);
m_binding.setConverter(converter);
} else {
converter.setClassName(className);
}
}
}