private void tsbModifica_Click(object sender, EventArgs e)
        {
            FormDialogAddModifyVehicle dialogAddMod = new FormDialogAddModifyVehicle(this, listBoxVehicles.SelectedIndex);

            if (dialogAddMod.ShowDialog() == DialogResult.OK)
            {
                dbUtilities.CreateBackup(dbFilePath);
                listUtilities.UpdateDb(VehicleList, connStr);
                Start();
            }
        }
        private void tsmNuovo_Click(object sender, EventArgs e)
        {
            FormDialogAddModifyVehicle dialogAddMod = new FormDialogAddModifyVehicle(this);

            dialogAddMod.ShowDialog();
        }