Future dataline() async {

        final dao1 = Provider.of<CommandeDao>(context);

        List<GeneratorCommandeResult> liste = await dao1.GeneratorCommande();
        return liste;
  }

  Material mychart1Items(String title, String priceVal,String subtitle) {
    Future liste  = dataline() ;


    return Material(
      color: Colors.white,
      elevation: 14.0,
      borderRadius: BorderRadius.circular(24.0),
      shadowColor: Color(0x802196F3),
      child: Center(
        child: Padding(
          padding: EdgeInsets.all(8.0),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[

                  Padding(
                    padding: EdgeInsets.all(1.0),
                    child: new Sparkline(
                      data: liste,
                      lineColor: Color(0xffff6101),
                      pointsMode: PointsMode.all,
                      pointSize: 8.0,
                    ),
                  ),

                ],
              ),
            ],
          ),
        ),
      ),
    );
  }