Row(
                          children: <Widget>[
                            Container(
                              width: MediaQuery.of(context).size.width*.3,
                              child: Text('Départ:', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 15),
                              ),
                            ),
                            Container(
                              width: MediaQuery.of(context).size.width*.5,

                                child: _fieldDropDown(_citiesdept, 0, 'depart'),
                                // onSaved: (value) => _citiesdept = value,


                            )
                          ],
                        ),