Program.cs

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

namespace ReadingXMLDummy
{
    class Program
    {
        static void Main(string[] args)
        {
            ProductEnvironment currentEnvironment;
            currentEnvironment = GetEnvironment(@"ProductEnvironment.xml");
            Console.ReadKey();
        }

        public static ProductEnvironment GetEnvironment(string filename)
        {
            XmlSerializer serializer = new XmlSerializer(typeof(ProductEnvironment));
            serializer.UnknownNode += new
            XmlNodeEventHandler(serializer_UnknownNode);
            serializer.UnknownAttribute += new
            XmlAttributeEventHandler(serializer_UnknownAttribute);

            ProductEnvironment tempEnvironment;
            using (Stream fileStream = File.Open(filename, FileMode.Open))
            {
                tempEnvironment = (ProductEnvironment)serializer.Deserialize(fileStream);
            }
            return tempEnvironment;
        }

        protected static void serializer_UnknownNode(object sender, XmlNodeEventArgs e)
        {
            Console.WriteLine("Unknown Node:" + e.Name + "\t" + e.Text);
        }

        protected static void serializer_UnknownAttribute
        (object sender, XmlAttributeEventArgs e)
        {
            System.Xml.XmlAttribute attr = e.Attr;
            Console.WriteLine("Unknown attribute " +
            attr.Name + "='" + attr.Value + "'");
        }
    }
}