private void thiếtLậpGiáThuêToolStripMenuItem_Click(object sender, EventArgs e) { ThietLapGiaThue frmTLGT = new ThietLapGiaThue(); foreach (Form frm in MdiChildren) { frm.Close(); } frmTLGT.MdiParent = this; frmTLGT.Show(); }
private void thiếtLậpGiáThuêToolStripMenuItem_Click(object sender, EventArgs e) { ThietLapGiaThue frmTLGT = new ThietLapGiaThue(); hienForm(frmTLGT); }