private void btnQuanlyMonHoc_Click(object sender, EventArgs e)
{
QuanLyMonHoc quanLyMobHoc = new QuanLyMonHoc()
{
TopLevel = false
};
pnBoard.Controls.Clear();
pnBoard.Controls.Add(quanLyMobHoc);
quanLyMobHoc.Show();
}
private void button6_Click(object sender, EventArgs e)
{
QuanLyMonHoc f = new QuanLyMonHoc();
f.Show();
}
private void quảnLýMônHọcToolStripMenuItem_Click(object sender, EventArgs e)
{
QuanLyMonHoc f = new QuanLyMonHoc();
f.Show();
}