using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

using System.Diagnostics;

using System.Collections.ObjectModel;

using System.Threading;

using System.ComponentModel;

using System.Xml.Linq;

using System.Reflection;

using System.Data;

using System.Xml.Schema;

using System.Text.RegularExpressions;

using System.Net;

using System.Xml.XPath;

using System.Globalization;

using System.ComponentModel.DataAnnotations;

using System.Collections;

using System.Runtime.InteropServices;

using System.Runtime.Serialization;

​

// https://stackoverflow.com/questions/46476119/read-nodes-of-a-xml-file-in-c-sharp

​

    public class ApplicationLogEventObject

    {

        public string EventType { get; set; }

​

        [XmlElement("DateStamp")]

        public string DateStampString { 

            get

            {

                // Replace with culturally invariant desired formatting.

                return DateStamp.ToString(CultureInfo.InvariantCulture);

            }

            set

            {

                DateStamp = Convert.ToDateTime(value, CultureInfo.InvariantCulture);

            }

        }

​

        [XmlIgnore]

        public DateTime DateStamp { get; set; }

​

        public string ShortDescription { get; set; }

        public string LongDescription { get; set; }

    }

    class TestClass

    {

        public static void Test()

        {

            var fileName = @"data.log";

            File.WriteAllText(fileName, GetXml());

            var list = ReadEvents(fileName);

            Console.WriteLine(list.GetXml());

        }

        static List<ApplicationLogEventObject> ReadEvents(string fileName)

        {

            return ReadObjects<ApplicationLogEventObject>(fileName);

        }

        static List<T> ReadObjects<T>(string fileName)

        {

            var list = new List<T>();

            var serializer = new XmlSerializer(typeof(T));

            var settings = new XmlReaderSettings { ConformanceLevel = ConformanceLevel.Fragment };

            using (var textReader = new StreamReader(fileName))

            using (var xmlTextReader = XmlReader.Create(textReader, settings))

            {

                while (xmlTextReader.Read())

                {   // Skip whitespace

                    if (xmlTextReader.NodeType == XmlNodeType.Element) 

                    {

                        using (var subReader = xmlTextReader.ReadSubtree())

                        {

                            var logEvent = (T)serializer.Deserialize(subReader);

                            list.Add(logEvent);

                        }

                    }

                }

            }

​

            return list;            

        }

​

        static string GetXml()

        {

            var xml = @"<ApplicationLogEventObject>

    <EventType>Message</EventType>

    <DateStamp>10/13/2016 11:15:00 AM</DateStamp>

    <ShortDescription>N/A</ShortDescription>

    <LongDescription>Sending 'required orders' email.</LongDescription>

</ApplicationLogEventObject>

<ApplicationLogEventObject>

    <EventType>Message</EventType>

    <DateStamp>10/13/2016 11:15:10 AM</DateStamp>

    <ShortDescription>N/A</ShortDescription>

    <LongDescription>Branches Not Placed Orders - 1018</LongDescription>

</ApplicationLogEventObject><ApplicationLogEventObject><EventType>Message</EventType><DateStamp>10/13/2016 11:15:10 AM</DateStamp><ShortDescription>N/A</ShortDescription><LongDescription>Branches Not Placed Orders - 1019</LongDescription></ApplicationLogEventObject>";

            return xml;

        }

    }

​

    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 static class XmlSerializationHelper

    {

        public static T LoadFromXml<T>(this string xmlString, XmlSerializer serial = null)

        {

            serial = serial ?? new XmlSerializer(typeof(T));

            T returnValue = default(T);

            using (StringReader reader = new StringReader(xmlString))

            {

                object result = serial.Deserialize(reader);

                if (result is T)

                {

                    returnValue = (T)result;

                }

            }

            return returnValue;

        }

​

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

        {

            return obj.GetXml(null, omitStandardNamespaces);

        }

        public static string GetXml<T>(this T obj, XmlSerializer serializer = null, 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))

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

                return textWriter.ToString();

            }

        }

    }

    public class Program

    {

        public static void Main()

        {

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

            Console.WriteLine();

​

            TestClass.Test();

        }

    }

​