public CharacteristicHelper GetCharacteristic()
        {
            IEnumerable <Characteristic>      characteristics       = _dataCharacter.Get();
            IEnumerable <Note_Characteristic> characteristicsOfNote = _dataNoteCharacter.Get();

            CharacteristicHelper helper = new CharacteristicHelper()
            {
                Characteristics       = characteristics,
                CharacteristicsOfNote = characteristicsOfNote
            };

            return(helper);
        }