private void Modifica_Click(object sender, EventArgs e)
        {
            FormDialogVehicle dialogAddMod = new FormDialogVehicle(this, ListBoxV.SelectedIndex);

            if (dialogAddMod.ShowDialog() == DialogResult.OK)
            {
                dbUtils.CreateBackup(dbFilePath);
                listUtils.UpdateDb(ListaVeicoli, connectStr);
                Start();
            }
        }
        private void Nuovo_Click(object sender, EventArgs e)
        {
            FormDialogVehicle dialogAddMod = new FormDialogVehicle(this);

            dialogAddMod.ShowDialog();
        }