praktikum1/vr21/Program.cs

using System;
using System.Collections.Generic;
using System.Xml.Linq;
using System.Xml.Serialization;

namespace vr21
{
    public class Receipe
    {
        public string Name;
        public List<Ingredient> Ingredients;

        public Receipe()
        {
            Ingredients = new List<Ingredient>();
        }
    }

    public class Ingredient
    {
        public string Name;
        public int Count;
        public string Unit;
    }
    class Program
    {
        private static string _xmllocation = @"..\..\..\XMLRecipe.xml";
        static void Main(string[] args)
        {
            Ingredient kartul = new Ingredient() {Name = "Kartul", Count = 500, Unit = "g"};
            Receipe r = new Receipe() {Name="Supp"};
            r.Ingredients.Add(kartul);
            r.Ingredients.Add(kartul);
            List<Receipe> l = new List<Receipe>();
            l.Add(r);
            l.Add(r);
            XmlSerializer x = new XmlSerializer(l.GetType());
            x.Serialize(Console.Out, l);
            //writeReceipesInformation();
            Console.ReadKey();
        }

        static void writeReceipesInformation()
        {
            XDocument xdoc = XDocument.Load(_xmllocation);
            var allReceipes = xdoc.Descendants("Recipe");
            foreach (var receipe in allReceipes)
            {
                Console.WriteLine(receipe.Element("Name").Value);
                foreach (var ingredient in receipe.Element("Ingredients").Elements())
                {
                    Console.WriteLine($" {ingredient.Element("Name").Value}: {ingredient.Element("Amount").Value}{ingredient.Element("Unit").Value}");
                }
            }
        }
    }
}