在从数据库中获取XML以显示在表或网格上的表单上时遇到了困难

我一直在努力检索存储在sql server中的XML字段中的XML数据，现在我需要在网页/表单中显示信息，以便向用户提供有关存储的报告XML数据的信息，下面是我的尝试，它抛出了一个索引0异常

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
using System.Data;
using System.Xml.Linq;
public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        XmlDocument xdoc = new XmlDocument();
        SqlConnection cnn = null;
        SqlCommand cmd = null;

        try
        {
            cnn = new SqlConnection();
            cnn.ConnectionString = "ICDBConnectionString";
            cnn.Open();
            string selectQry = "WITH XMLNamespaces('TUReport' AS Debtor) SELECT* FROM TUReport WHERE ConsumerID = @ID FOR XML RAW('TUReport');";
            cmd = new SqlCommand(selectQry, cnn);
            int ID = Convert.ToInt32(txtIDNumber.Text);
            cmd.Parameters.AddWithValue("@ID", ID);
            DataSet dataset = new DataSet();
            //System.IO.StringReader xmlSR = new System.IO.StringReader(cmd)
            XmlReader reader = cmd.ExecuteXmlReader();
            dataset.ReadXml(reader, XmlReadMode.ReadSchema);
            results.DataSource = reader;
            results.DataBind();
            cnn.Close();

            //if (reader.Read())
            //    xdoc.Load(reader);

        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {
            cmd.Dispose();
            cnn.Close();
        }
    }
}