private void button2_Click_1(object sender, EventArgs e)
{
this.Hide();
cashier mm = new cashier();
mm.Show();
}
private void button3_Click(object sender, EventArgs e)
{
this.Hide();
cashier aa = new cashier();
aa.Show();
}
private void button2_Click(object sender, EventArgs e)
{
this.Hide();
cashier cc = new cashier();
cc.Show();
}