ASP.Net display XML in Grid

        protected void ButtonExtractNow_Click(object sender, EventArgs e)

        {

            try

            {

                using (LoanIqAdapter _adapter = new LoanIqAdapter())

                {

                    string results = _adapter.SendInquiry("ost_tranById('" + DropDownList1.SelectedValue + "')", false);

                    XDocument xDoc = XDocument.Parse(results);

                    IOrganizationService xrmService = GetXrmService("JamesDev");

                    foreach (XElement childElement in xDoc.XPathSelectElements("//osttran/Record"))

                    {

                        //SendToXRM(xrmService, childElement);

                       

                    }

                    StringReader sr = new StringReader(results);

                    DataSet ds = new DataSet();

                    ds.ReadXml(sr);

                    ds.Merge(ds, true);

                    GridView1.DataSource = ds.Tables[0];

                    GridView1.DataBind();

                }

            }

            catch (Exception ex)

            {

                //throw;

            }