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

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>OKTS>
<ErrorCode>0ErrorCode>
<ErrorDescription />
<WebserviceContent>
<data xmlns="">
<AS xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Singleton>
<N1>000000000000N1>
<MI>40000000000000MI>
<TS>OKTS>
<Gr>NeullGr>
<Ad>
<Attribute Name="N" Group="AB">NATIVEAttribute>
<Attribute Name="C" Group="AB">JUIINAttribute>
<Attribute Name="T " Group="AB">9.00Attribute>
<Attribute Name="P 1" Group="AB">GHD67Attribute>
<Attribute Name="P 2" Group="AB">GH678Attribute>
<Attribute Name="C" Group="AB">EXXAAttribute>
<Attribute Name="T" Group="AB">MaHAttribute>
<Attribute Name="P" Group="AB">0.00Attribute>
<Attribute Name="D" Group="AB">Dest nameAttribute>
<Attribute Name="A" Group="AB">Agent nameAttribute>
Ad>
Singleton>
<Singleton>
<N1>000000000300N1>
<MI>40000055000000MI>
<TS>OKTS>
<Gr>NULLGr>
<Ad>
<Attribute Name="N" Group="AB">BANAttribute>
<Attribute Name="C" Group="AB">SZEYDOUAttribute>
<Attribute Name="T " Group="AB">9U00Attribute>
<Attribute Name="P1" Group="AB">GD67Attribute>
<Attribute Name="P2" Group="AB">G678Attribute>
<Attribute Name="C" Group="AB">EXUAAttribute>
<Attribute Name="T" Group="AB">MaHAttribute>
<Attribute Name="P" Group="AB">0.00Attribute>
<Attribute Name="D" Group="AB">Dest COAttribute>
<Attribute Name="A" Group="AB">Agent COAttribute>
Ad>
Singleton>
AS>
data>
WebserviceContent>
SingletonCR>
SingletonCD>
soap:Body>
soap:Envelope>