public static CAPNHATXOASANPHAM Instance() { if (m_stForm == null) { m_stForm = new CAPNHATXOASANPHAM(); } return(m_stForm); }
private void QuanLyXoaSP_Click(object sender, EventArgs e) { CAPNHATXOASANPHAM frm = CAPNHATXOASANPHAM.Instance(); frm.ShowDialog(); }