private void THHToolStripMenuItem_Click(object sender, EventArgs e) { if (tkhh == null || tkhh.IsDisposed) { tkhh = new frmTimKiemHangHoa(); } tkhh.MdiParent = this; tkhh.Show(); }
private void toolStripButton2_Click(object sender, EventArgs e) { frmTimKiemHangHoa tkh = new frmTimKiemHangHoa(); tkh.Show(); }