private void btnChucVu_Click(object sender, EventArgs e)
{
frmChucVu frm = new frmChucVu();
frm.Show();
this.Hide();
}
private void menuChucVu_Click(object sender, EventArgs e)
{
this.Hide();
frmChucVu cv = new frmChucVu();
cv.ShowDialog();
}
private void quảnLýChứcVụToolStripMenuItem_Click(object sender, EventArgs e)
{
frmChucVu frm = new frmChucVu();
frm.Show();
this.Hide();
}