public FormSuaHoaDonNhap(frmNhapHang f) { InitializeComponent(); parent = f; }
private void tsmiQuanLyPhieuNhapHang_Click(object sender, EventArgs e) { if (NhapHang == null || NhapHang.IsDisposed) { NhapHang = new frmNhapHang(); NhapHang.MdiParent = this; NhapHang.setSelectedTab(1); NhapHang.Show(); } NhapHang.BringToFront(); }