private void quảnLýMônHọcToolStripMenuItem_Click(object sender, EventArgs e) { MonHoc f = new MonHoc(); f.Show(); }
private void button6_Click(object sender, EventArgs e) { MonHoc f = new MonHoc(); f.Show(); }
private void mônHọcToolStripMenuItem_Click(object sender, EventArgs e) { MonHoc mh = new MonHoc(); mh.Show(); }