private void đĩaThuêToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ThongKeDiaDangThue frmDiaThue = new ThongKeDiaDangThue();

            foreach (Form frm in MdiChildren)
            {
                frm.Close();
            }
            frmDiaThue.MdiParent = this;
            frmDiaThue.Show();
        }
Esempio n. 2
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        private void đĩaThuêToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ThongKeDiaDangThue frmDiaThue = new ThongKeDiaDangThue();

            hienForm(frmDiaThue);
        }