public BS_Form(LogikStub logik, string id)

        {
            logik_ = logik;
            InitializeComponent();


            List <BS_DTO> bsliste = logik.getBS(id);

            for (int i = 0; i < bsliste.Count; i++)
            {
                BS_chart.Series["Blodsukker"].Points.AddXY(bsliste[i].getDateTime(), bsliste[i].getBloodSugar());
            }
        }