private void buttonCS_Click(object sender, EventArgs e)
{
LogIn w = new LogIn('C');
w.Show();
}
private void buttonManager_Click(object sender, EventArgs e)
{
LogIn w = new LogIn('M');
w.Show();
}
private void buttonLogOut_Click(object sender, EventArgs e)
{
LogIn l = new LogIn('D');
l.Show();
}