private void button3_Click(object sender, EventArgs e)
{
ManageRubrics frm = new ManageRubrics();
frm.Show();
this.Hide();
}
private void button1_Click(object sender, EventArgs e)
{
//go to ManageRubric form.
ManageRubrics r = new ManageRubrics();
r.Show();
this.Hide();
}