using System;

using System.Xml.Linq;

using System.Collections.Generic;

using System.Linq;

​

class Product{

        public int Id;

        public string Name;

        public int Quantity;

        public decimal Price;

        public string Comment;

    }

​

public class Program

{

    public static void Main()

    {

​

        var xml = @"<?xml version=""1.0"" encoding=""utf-8"" ?>

<products>

<product>

    <id>100</id>

    <name>Ball</name>

    <price>15</price>

    <quantity>2</quantity>

<description>

    <comment>aaa</comment>

</description>

</product>

</products>";

        var produtos = ProcessImport(xml);

        foreach(var item in produtos){

            Console.WriteLine(item.Comment);

        }

    }

    private static List<Product> ProcessImport(string xml)

    {

        XDocument xDocument = XDocument.Parse(xml);

        List<Product> products = xDocument.Descendants("product").Select

            (p => new Product()

            {

               Id = Convert.ToInt32(p.Element("id").Value),

               Name=p.Element("name").Value,

               Quantity = Convert.ToInt32(p.Element("quantity").Value),

               Price = Convert.ToDecimal(p.Element("price").Value),

               Comment = p.Element("description").Element("comment").Value

            }).ToList();

        return products;

    }

}