private void bindingNavigatorAddNewItem_Click(object sender, EventArgs e) { if (NhapHang == null || NhapHang.IsDisposed) { NhapHang = new frmNhapHang(); NhapHang.Show(); } else { NhapHang.Activate(); } }
private void dataGridView_DoubleClick(object sender, EventArgs e) { if (NhapHang == null || NhapHang.IsDisposed) { NhapHang = new frmNhapHang(ctrl); NhapHang.Show(); } else { NhapHang.Activate(); } }