private void Print()
        {
            Supplier_Payback_Print print = new Supplier_Payback_Print(combo_Supliers.Text, richTextBox1.Text
                                                                      , double.Parse(tb_OldMoney.Text),
                                                                      double.Parse(tb_payment.Text),
                                                                      int.Parse(label2.Text),
                                                                      comboBox1.Text
                                                                      );

            print.ShowDialog();
        }