using System;

using System.Collections.Generic;

using System.Text;

using System.Linq;

using System.Xml.Serialization;

using System.Xml;

using System.Xml.Linq;

using System.IO;

using System.Data;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

using System.IO.Compression;

​

// https://stackoverflow.com/questions/50380105/create-xml-file-using-c-sharp-like-below-format

​

    public class TestClass

    {

        public static void Test()

        {

            var soapNs = @"http://schemas.xmlsoap.org/soap/envelope/";

            var bodyNs = @"";

            var doc = new XmlDocument();

            var root = doc.AppendChild(doc.CreateElement("SOAP-ENV", "Envelope", soapNs));

            var body = root.AppendChild(doc.CreateElement("SOAP-ENV", "Body", soapNs));

​

            var line1 = body.AppendChild(doc.CreateElement("", "AddressLine1", bodyNs));

            line1.Attributes.Append(doc.CreateAttribute("xmlns")).Value = bodyNs;

            line1.InnerText = "50 W TOWN ST";

​

            body.AppendChild(doc.CreateElement("", "AddressLine2", bodyNs)).InnerText = "STE 400";

            body.AppendChild(doc.CreateElement("", "City", bodyNs)).InnerText = "COLUMBUS";

            body.AppendChild(doc.CreateElement("", "State", bodyNs)).InnerText = "OH";

            body.AppendChild(doc.CreateElement("", "Zip", bodyNs)).InnerText = "43215";

            body.AppendChild(doc.CreateElement("", "Zip4", bodyNs)).InnerText = "";

            Console.WriteLine(doc.GetOuterXml());           

        }

    }

​

    public static class XmlSerializationHelper

    {

        public static string GetOuterXml(this XmlNode node, bool indent = true)

        {

            if (node == null)

                return null;

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings

                {

                    Indent = indent,

                    OmitXmlDeclaration = true,

                };

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

                {

                    node.WriteTo(xmlWriter);

                }

                return textWriter.ToString();

            }

        }

    }

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Roslyn 2.0 Compiler; Environment version: " + Environment.Version);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Uncaught exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​