using System;

using System.IO;

using System.Xml;

using System.Text;

public class Program

{

    public static void Main()

    {

        var response = Response("FOLDER-NUMBER", "PID6655", 1, "", "");

        Console.WriteLine(response);

    }

     private static string Response(string folderNumber, string portId, int code, string description, string origUID)

        {

            StringWriter buffer = new StringWriter();

            XmlWriter writer = XmlWriter.Create(buffer, new XmlWriterSettings { OmitXmlDeclaration = true });

​

            writer.WriteStartElement("QUERYORDER");

​

            WriteIdentification(folderNumber, portId, writer, origUID);

​

            writer.WriteStartElement("CONFIRMATION");

            writer.WriteAttributeString("SUCCESS", (code == 1).ToString().ToUpper());

            writer.WriteAttributeString("REASON", code == 1 ? string.Empty : description);

            writer.WriteEndElement();

            writer.WriteEndElement();

            writer.Close();

​

            return buffer.ToString();

        }

     private static void WriteIdentification(string folderNumber, string portId, XmlWriter writer, string origUID)

        {

            writer.WriteStartElement("FOLDER");

            writer.WriteAttributeString("NUMBER", folderNumber);

            writer.WriteAttributeString("PORT_ID", portId);

            writer.WriteEndElement();

        }

}