using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

​

​

    public class varString

    {

        [XmlText]

        public string Value;

        public string KeyWord;

        public static implicit operator string(varString v)

        {

            return v == null ? null : (string)v.Value;

        }

    }

    public class Program

    {

        public static void Main()

        {

            var test1 = new varString { KeyWord = "key word", Value = "my value" };

            Console.WriteLine(test1.GetXml(true));

            var test2 = new varString { Value = "my value" };

            Console.WriteLine(test2.GetXml(true));

        }

    }

​

    public static class XmlSerializationHelper

    {

        public static T LoadFromXML<T>(this string xmlString)

        {

            using (StringReader reader = new StringReader(xmlString))

            {

                return (T)new XmlSerializer(typeof(T)).Deserialize(reader);

            }

        }

​

        public static string GetXml<T>(this T obj, bool omitStandardNamespaces = false)

        {

            XmlSerializerNamespaces ns = null;

            if (omitStandardNamespaces)

            {

                ns = new XmlSerializerNamespaces();

                ns.Add("", ""); // Disable the xmlns:xsi and xmlns:xsd lines.

            }           

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings() { Indent = true }; // For cosmetic purposes.

                using (var xmlWriter = XmlWriter.Create(textWriter, settings))

                    new XmlSerializer(obj.GetType()).Serialize(xmlWriter, obj, ns);

                return textWriter.ToString();

            }

        }

    }