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using System;
using System.IO;
using System.Xml.Serialization;

public class Serializer {

public static void Main(string [] args) {
Personnel personnel = CreatePersonnel();
XmlSerializer serializer = new XmlSerializer(typeof(Personnel));
using (FileStream stream = File.OpenWrite(“Employees.xml”)) {
serializer.Serialize(stream, personnel);
}
}

private static Personnel CreatePersonnel() {
Personnel personnel = new Personnel();
personnel.Employees = new Employee [] {new Employee()};
personnel.Employees[0].FirstName = “Joe”;
personnel.Employees[0].MiddleInitial = “M”;
personnel.Employees[0].LastName = “Lee”;

personnel.Employees[0].Addresses = new Address [] {new Address()};
personnel.Employees[0].Addresses[0].AddressType = AddressType.Home;
personnel.Employees[0].Addresses[0].Street = new string [] {“999 Colluden”};
personnel.Employees[0].Addresses[0].City = “Vancouver”;
personnel.Employees[0].Addresses[0].State = State.BC;
personnel.Employees[0].Addresses[0].Zip = “V5V 4X7″;

personnel.Employees[0].HireDate = new DateTime(2001,1,1);

return personnel;
}
}

[Serializable]
public enum AddressType {
Home,
Office
}

[Serializable]
public enum State {
[XmlEnum(Name="British C")]BC,
[XmlEnum(Name="Sask")]SK
}

[Serializable]
public class Address {
[XmlAttribute(AttributeName="type")] public AddressType AddressType;
[XmlElement(ElementName="street")] public string[] Street;
[XmlElement(ElementName="city")] public string City;
[XmlElement(ElementName="state")] public State State;
[XmlElement(ElementName="zip")] public string Zip;
}

[Serializable]
public class TelephoneNumber {
[XmlAttribute(AttributeName="type")] public AddressType AddressType;
[XmlElement(ElementName="areacode")] public string AreaCode;
[XmlElement(ElementName="exchange")] public string Exchange;
[XmlElement(ElementName="number")] public string Number;
}

[Serializable]
public class Employee {
[XmlAttribute(AttributeName="firstname")] public string FirstName;
[XmlAttribute(AttributeName="middleinitial")] public string MiddleInitial;
[XmlAttribute(AttributeName="lastname")] public string LastName;

[XmlArray(ElementName="addresses")]
[XmlArrayItem(ElementName="address")] public Address [] Addresses;
[XmlArray(ElementName="telephones")]
[XmlArrayItem(ElementName="telephone")] public TelephoneNumber [] TelephoneNumbers;

[XmlAttribute(AttributeName="hiredate")] public DateTime HireDate;
}

[Serializable]
[XmlRoot(ElementName="personnel")]
public class Personnel {
[XmlElement(ElementName="employee")]
public Employee [] Employees;
}

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<?xml version=”1.0″?>

<personnel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <employee firstname="Joe" middleinitial="M" lastname="Lee" hiredate="2001-01-01T00:00:00">
    <addresses>
      <address type="Home">
        <street>999 Colluden</street>
        <city>Vancouver</city>
        <state>British C</state>
        <zip>V5V 4X7</zip>
      </address>
    </addresses>
  </employee>
</personnel>