public static void ShowFormPhanLop()
{
if (m_ClassDivision == null || m_ClassDivision.IsDisposed)
{
m_ClassDivision = new ClassDivision();
m_ClassDivision.MdiParent = MainForm.ActiveForm;
m_ClassDivision.Show();
}
else
{
m_ClassDivision.Activate();
}
}
