private void OnAdaugaFacturaPressed(object sender, EventArgs e)
        {
            FacturaModel FModel = new FacturaModel(View.SumaTotala, View.DirectieFactura, View.FacturaAchitata, 0);

            if (Service.ExecuteInsertFacturaProcedure(FModel, View.Client_Ales_int, View.Contract_Ales_int, View.DataScadenta))
            {
                View.FacturaAdaugataSuccessfull();
            }
            else
            {
                View.FacturaAdaugataFailed();
            }
        }