using System;

using System.IO;

//using System.Linq;

using System.Xml;

using System.Xml.XPath;

using System.Xml.Linq;

using System.Xml.Serialization;

​

public class Program

{

    public static void Main()

    {

        string xml = @"<?xml version=""1.0"" encoding=""utf-8""?>

            <ClientInfo xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns=""http://tempuri.org/"">

              <Error>0</Error>

              <ErrorMsg />

              <doc>

                <NewDataSet xmlns="""">

                  <Table>

                    <SEGMENT>123456</SEGMENT>

                  </Table>

                </NewDataSet>

              </doc>

            </ClientInfo>";

        XDocument doc = XDocument.Parse(xml);

        XNamespace df = doc.Root.Name.Namespace;

        /* Start of Solution 2 */

        /*

        foreach (var node in doc.Descendants())

        {

            if (node.Name.NamespaceName == String.Empty)

            {

                node.Attributes("xmlns").Remove();

​

                node.Name = df + node.Name.LocalName;

            }

        }

        */

        /* End of Solution 2 */

        using (TextReader sr = new StringReader(doc.ToString()))

        {

            var serializer = new System.Xml.Serialization.XmlSerializer(typeof(ClientInfo));

            ClientInfo xmlResult = (ClientInfo)serializer.Deserialize(sr);

            Console.WriteLine(xmlResult.Doc.MyDataSet.Table.SEGMENT);

        }

    }

}

​

[XmlRoot(ElementName = "Table")]

public partial class Table

{

    [XmlElement(ElementName = "SEGMENT")]

    public string SEGMENT { get; set; }

}

​

[XmlRoot(ElementName = "NewDataSet")]

public partial class MyDataSet

{

    [XmlElement(ElementName = "Table")]

    public Table Table { get; set; }

}

​

/* Solution 1 */

//[XmlRoot(ElementName = "doc", Namespace = "http://tempuri.org/")]

[XmlRoot(ElementName = "doc")]

public class Doc

{

    [XmlElement(ElementName = "NewDataSet", Namespace="")]

    public MyDataSet MyDataSet { get; set; }

}

​

[Serializable, XmlRoot(ElementName = "ClientInfo", Namespace = "http://tempuri.org/")]

public partial class ClientInfo

{

    [XmlElement(ElementName = "Error")]

    public int Error { get; set; }

​

    [XmlElement(ElementName = "ErrorMsg")]

    public object ErrorMsg { get; set; }

​

    [XmlElement(ElementName = "doc")]

    public Doc Doc { get; set; }

}