private void btnMHoc_Click(object sender, EventArgs e)
{
frmMonHoc m_MonHoc = null;
if (m_MonHoc == null || m_MonHoc.IsDisposed)
{
m_MonHoc = new frmMonHoc();
m_MonHoc.MdiParent = frmMain.ActiveForm;
m_MonHoc.Show();
}
else m_MonHoc.Activate();
m_MonHocCtrl.HienThiDataGridViewComboBoxColumnGiaoVien(MaMonHoc);
}
private void mônHọcToolStripMenuItem_Click(object sender, EventArgs e)
{
if (m_MonHoc == null || m_MonHoc.IsDisposed)
{
m_MonHoc = new frmMonHoc();
m_MonHoc.MdiParent = frmMain.ActiveForm;
m_MonHoc.Show();
}
else m_MonHoc.Activate();
}