public FormWayBillDaily(MainDGV dgv) { InitializeComponent(); list = new List <Car>(); fuelList = FuelList.getInstance(); foreach (DataGridViewCell cell in dgv.SelectedCells) { string fio = dgv.GetFIO(cell.RowIndex); DriverList dl = DriverList.getInstance(); driverCurrent = dl.getItemByFullFIO(fio); int idCar = dgv.GetCarID(cell.RowIndex); CarList carList = CarList.getInstance(); Car car = carList.getItem(idCar); list.Add(car); lbCars.Items.Add(car); } btnNext.Enabled = list.Count > 1; index = 0; lbCar.Text = "Выбранный автомобиль: " + list[index].ToString(); }