private void btnThem_Click(object sender, EventArgs e) { string makh = txt_ma.Text; fThemHoaDon themHoaDon = new fThemHoaDon(); themHoaDon.mkh = makh; themHoaDon.ShowDialog(); }
private void btnThem_Click(object sender, EventArgs e) { fThemHoaDon don = new fThemHoaDon(); don.ShowDialog(); }