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/47611954/parse-xml-file-and-grab-value-from-parent-node

    public class Book

    {

        public string Id { get; set; }

​

        public string Author { get; set; }

        public string Title { get; set; }

        public Genre Genre { get; set; }

        public decimal Price { get; set; }

        public DateTime PublishDate { get; set; }

        public string Description { get; set; }

    }

​

    public enum Genre

    {

        Computer,

        Fantasy,

    };

​

    class TestClass

    {

        public static void Test()

        {

            var filePath = "test.xml";

            try

            {

                File.WriteAllText(filePath, GetXml());

                Test(filePath);

            }

            finally

            {

                try

                {

                    File.Delete(filePath);

                }

                catch (Exception)

                {

                }

            }

        }

​

        public static void Test(string filePath)

        {

            XDocument xmlDoc = XDocument.Load(filePath);

​

            var dupa = xmlDoc

                .Descendants("book")

                .Select(x => new Book

                {

                    Id = (string)x.Attribute("bookid"),

                    Author = (string)x.Element("author"),

                    Title = (string)x.Element("title"),

                    Genre = (Genre)Enum.Parse(typeof(Genre), (string)x.Element("genre")),

                    Price = (decimal)x.Element("price"),

                    PublishDate = (DateTime)x.Element("publish_date"),

                    Description = (string)x.Element("description"),

                }).ToList();

​

            Console.WriteLine("\nResult of deserializing and reserializing the List<Book>: ");

            Console.WriteLine(dupa.GetXml(false));

        }

​

        static string GetXml()

        {

            var xml = @"<?xml version=""1.0""?>

<catalog>

    <book id=""bk101"">

        <author>Gambardella, Matthew</author>

        <title>XML Developer's Guide</title>

        <genre>Computer</genre>

        <price>44.95</price>

        <publish_date>2000-10-01</publish_date>

        <description>An in-depth look at creating applications with XML.</description>

    </book>

    <book id=""bk102"">

        <author>Ralls, Kim</author>

        <title>Midnight Rain</title>

        <genre>Fantasy</genre>

        <price>5.95</price>

        <publish_date>2000-12-16</publish_date>

        <description>A former architect battles corporate zombies, an evil sorceress, and her own childhood to become queen of the world.</description>

    </book>

</catalog>

";

            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));

            using (var reader = new StringReader(xmlString))

            {

                return (T)serial.Deserialize(reader);

            }

        }

​

        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();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Uncaught exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​