interface IXmlSerializable
{
    XmlSchema GetSchema();
    void ReadXml(XmlReader reader);
    void WriteXml(XmlWriter writer);
}

	public class SerializableDictionary : IXmlSerializable
	{
		const string NS = "http://www.tetco.fr/xml/serialization";
		private IDictionary dictionary;

		public SerializableDictionary()
		{
			dictionary = new Hashtable();
		}
		public SerializableDictionary(IDictionary dictionary)
		{
			this.dictionary = dictionary;
		}

		void IXmlSerializable.WriteXml(XmlWriter w)
		{
			w.WriteStartElement("dictionary", NS);
			foreach(object key in dictionary.Keys)
			{
				object value = dictionary[key];
				w.WriteStartElement("item", NS);
				w.WriteElementString("key", NS, key.ToString());
				w.WriteElementString("value", NS, value.ToString());
				w.WriteEndElement();
			}
			w.WriteEndElement();
		}

		void IXmlSerializable.ReadXml(XmlReader r)
		{
			r.Read();
			r.ReadStartElement("dictionary");
			while(r.NodeType != XmlNodeType.EndElement)
			{
				r.ReadStartElement("item", NS);
				string key = r.ReadElementString("key", NS);
				string value = r.ReadElementString("value", NS);
				r.ReadEndElement();
				r.MoveToContent();
				dictionary.Add(key, value);
			}
		}

		XmlSchema IXmlSerializable.GetSchema() { return null; }
         }

[System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://www.tetco.fr/TestWS", RequestNamespace="http://www.tetco.fr", ResponseNamespace="http://www.tetco.fr", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
        public System.Data.DataSet TestWS() {
            object[] results = this.Invoke("TestWS", new object[ 0 ]);
            return ((System.Data.DataSet)(results[ 0 ]));
        }

			localhost.ClassOfServicesWS classofserv = new localhost.ClassOfServicesWS();
			myHashTable = classofserv.TestWS();

	SerializableDictionary dic = new SerializableDictionary();
	localhost.ClassOfServicesWS classofserv = new localhost.ClassOfServicesWS();
	dic = classofserv.TestWS();