getSelectedAsString method

String getSelectedAsString()

get selected value in string

Implementation

String getSelectedAsString() {
  if (_selected != null) {
    StringBuffer string = StringBuffer();
    _selected!.forEach((option) {
      string.write(option.getValueAsString() + ',');
    });

    return string.toString().length == 0 ? ''
        : string.toString().substring(0, string.toString().length - 1);
  }

  return '';
}