messageForField method
Returns the error message for fieldName on recordId.
When recordId is omitted, the current dataset record is used. Returns
null when there is no current record or no field-level message.
Implementation
String? messageForField(String fieldName, {int? recordId}) {
final resolvedRecordId = recordId ?? _dataSet._currentRecordRaw?.id;
if (resolvedRecordId == null) {
return null;
}
return _dataSet._errorStore.messageForField(
fieldName,
recordId: resolvedRecordId,
);
}