public RapportHebdomadaire(object sth)
 {
     InitializeComponent();
     this.stockhebdo = (StockHebdo)sth;
     stockhebdo.process();
     articles = stockhebdo.getArticles();
     afficher();
 }
        public void afficher()
        {
            dataGridView1.Rows.Clear();
            String[] row;

            while (articles != null)
            {
                row    = new string[4];
                row[0] = articles.ar_ref;
                row[1] = articles.ar_design;
                row[2] = DecimalToString(articles.qte_residuel);
                row[3] = DecimalToString(articles.qte_vendu);

                dataGridView1.Rows.Add(row);

                articles = articles.rightChild;
            }
        }