public Sua_NgQuanLy(NgQuanLy QL1) { InitializeComponent(); QL = QL1; }
private void button2_Click(object sender, EventArgs e) { NgQuanLy f = new NgQuanLy(); f.Show(); }
public ThemNgQuanLy(NgQuanLy QL2) { InitializeComponent(); QL1 = QL2; }