private void thuêPhòngToolStripMenuItem_Click(object sender, EventArgs e)
 {
     frmChoThuePhong frm = new frmChoThuePhong();
     frm.Show();
 }
        private void thuêPhòngToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmChoThuePhong frm = new frmChoThuePhong();

            frm.Show();
        }