Parse and bind Soap web service result to gridview ASP.NET C

Question

I have the following  webservice which i downloaded and saved as xml file , i bind it with my gridview . how do i display all  Data  as column in my gridview?  Following is my databinding code:

XmlReader myxmlFile = XmlReader.Create("C:/test.xml", new XmlReaderSettings());

     DataSet dss = new DataSet();
     DataTable dt = new DataTable();

     dss.ReadXml(myxmlFile);

     GridView1.DataSource = dss.Tables["Attribute"];

     GridView1.DataBind();

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <soap:Body>
    <SingletonCD xmlns="mywebservice">
      <SingletonCR>
        <TS>OK</TS>
        <ErrorCode>0</ErrorCode>
        <ErrorDescription />
        <WebserviceContent>
          <data xmlns="">
            <AS xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
              <Singleton>
                <N1>000000000000</N1>
                <MI>40000000000000</MI>
                <TS>OK</TS>
                <Gr>Neull</Gr>
                <Ad>
                  <Attribute Name="N" Group="AB">NATIVE</Attribute>
                  <Attribute Name="C" Group="AB">JUIIN</Attribute>
                  <Attribute Name="T " Group="AB">9.00</Attribute>
                  <Attribute Name="P 1" Group="AB">GHD67</Attribute>
                  <Attribute Name="P 2" Group="AB">GH678</Attribute>
                  <Attribute Name="C" Group="AB">EXXA</Attribute>
                  <Attribute Name="T" Group="AB">MaH</Attribute>
                  <Attribute Name="P" Group="AB">0.00</Attribute>
                  <Attribute Name="D" Group="AB">Dest name</Attribute>
                  <Attribute Name="A" Group="AB">Agent name</Attribute>
                </Ad>
              </Singleton>
           <Singleton>
                <N1>000000000300</N1>
                <MI>40000055000000</MI>
                <TS>OK</TS>
                <Gr>NULL</Gr>
                <Ad>
                  <Attribute Name="N" Group="AB">BAN</Attribute>
                  <Attribute Name="C" Group="AB">SZEYDOU</Attribute>
                  <Attribute Name="T " Group="AB">9U00</Attribute>
                  <Attribute Name="P1" Group="AB">GD67</Attribute>
                  <Attribute Name="P2" Group="AB">G678</Attribute>
                  <Attribute Name="C" Group="AB">EXUA</Attribute>
                  <Attribute Name="T" Group="AB">MaH</Attribute>
                  <Attribute Name="P" Group="AB">0.00</Attribute>
                  <Attribute Name="D" Group="AB">Dest CO</Attribute>
                  <Attribute Name="A" Group="AB">Agent CO</Attribute>
                </Ad>
              </Singleton>
</AS>
          </data>
        </WebserviceContent>
      </SingletonCR>
    </SingletonCD>
  </soap:Body>
</soap:Envelope>