Multi level xml generation using XMLSerialization in C#.Net

//In memory XML generation using Serialization//

XmlSerializer srl = new XmlSerializer(typeof(UserLogin));

StringWriter sw = new StringWriter();

srl.Serialize(sw, oUserLogin);

string xml = sw.GetStringBuilder().ToString();

[Serializable]

[XmlRoot("Users")]

public class UserDetails

{

//First way to create inner XML nodes

[XmlArray("AddressDetails")]

public List AddressDetail { get; set; }

//Second way to create inner XML nodes

[XmlArray("ContactDetails")]

[XmlArrayItem("ContactDetail")]

public List ContactDetail { get; set; }

}

[Serializable]

[XmlType("AddressesDetail")]

public class AddressDetails

{

public string ........ (Properties)

}

[Serializable]

public class ContactDetails

{

public string ........ (Properties)

}