private void ExitBtn_Click(object sender, EventArgs e)
{
DS_Project.ReadAndWrite w = new ReadAndWrite();
w.Writeadmins(admins);
w.WriteCars(cars);
w.Writeclients(clients);
w.Writedrivers(drivers);
this.Close();
}
public MainForm()
{
InitializeComponent();
DS_Project.ReadAndWrite r = new ReadAndWrite();
r.readcars(cars);
r.readAdmins(admins);
r.readclients(clients);
r.readdrivers(drivers);
C_id = clients.Count;
D_id = drivers.Count;
}