using System;

using System.Collections.Generic;

using Newtonsoft.Json;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var json = @"{

                ""tasks"": [

                    {

                        ""id"": 1,

                        ""name"": ""Køb tøj""

                    },

                    {

                        ""id"": 2,

                        ""name"": ""vask tøj""

                    },

                    {

                        ""id"": 3,

                        ""name"": ""Gør Rent""

                    }

                ]

            }";

        var data = JsonConvert.DeserializeObject<ToDoItem>(json);

        foreach (var task in data.Tasks)

        {

            Console.WriteLine($"Id: {task.Id}, Name: {task.Name}"); 

        }

    }   

}

​

public class ToDoItem

{

    public List<Task> Tasks { get; set; }

}

public class Task

{

    public int Id { get; set; }

    public string Name { get; set; }

}