using System.Xml.Serialization;

// DTO with DateTime field
public class PersonDto
{
    public int Id { get; set; }
    public string Name { get; set; } = string.Empty;
    [XmlElement("BirthDate", DataType="date")]
    public DateOnly BirthDate { get; set; }
}

class Program
{
    static void Main()
    {
        // Create a sample DTO
        var person = new PersonDto
        {
            Id = 1,
            Name = "John Doe",
            BirthDate = new DateOnly(1990, 5, 15)
        };

        // Serialize to XML
        var serializer = new XmlSerializer(typeof(PersonDto));

        using var stringWriter = new StringWriter();
        serializer.Serialize(stringWriter, person);
        string xml = stringWriter.ToString();

        Console.WriteLine("Serialized XML:");
        Console.WriteLine(xml);
        Console.WriteLine();

        // Deserialize back from XML
        using var stringReader = new StringReader(xml);
        var deserializedPerson = (PersonDto?)serializer.Deserialize(stringReader);

        if (deserializedPerson != null)
        {
            Console.WriteLine("Deserialized DTO:");
            Console.WriteLine($"Id: {deserializedPerson.Id}");
            Console.WriteLine($"Name: {deserializedPerson.Name}");
            Console.WriteLine($"BirthDate: {deserializedPerson.BirthDate:yyyy-MM-dd}");
        }
    }
}