private void btnQuanLyXuatKho_Click(object sender, EventArgs e) { Tab4_3QuanLyXuatKho1.BringToFront(); Tab4_3QuanLyXuatKho1.Select(); }
private void Tab4_Enter(object sender, System.EventArgs e) { tab4_1QuanLiHoaDon1.Select(); Tab4_3QuanLyXuatKho1.Select(); }