gistfile1.txt

public static class Serializer
{
    public static string Serialize(object graph)
    {
        var document = new XDocument();
        var type = graph.GetType();
        document.Add(new XElement(type.Name));

        var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.GetProperty);
        foreach (var property in properties)
        {
            var propertyValue = property.GetValue(graph);
            var propertyElement = new XElement(property.Name);
            propertyElement.Value = propertyValue.ToString();
            document.Root.Add(propertyElement);
        }

        return document.ToString();
    }
}