示例#1
0
 private void butSach_Click(object sender, EventArgs e)
 {
     Sach frm = new Sach();
     frm.ShowDialog();
     frm.Close();
     frm.Dispose();
 }
        private void quảnLýSáchToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Sach s = new Sach();

            s.Show();
        }