using System;

using System.Collections.Generic;

using Newtonsoft.Json;

using System.ComponentModel.DataAnnotations;

​

// https://stackoverflow.com/questions/41073898/deserializing-json-with-nested-list-in-c-sharp

​

public class Program

{

    public static void Main()

    {

        string json = @"

            {

  ""Title"": ""test"",

  ""Id"": ""SR21576"",

  ""CreatedDate"": ""2016-12-10T09:21:06+03:30"",

  ""DisplayName"": ""SR21576 : test"",

  ""Description"": ""10"",

  ""AlternateContactMethod"": null,

  ""AffectedUser"": null,

  ""AssignedToUser"": ""XXX\\BB Team"",

  ""CustomerCode"": ""00000000-0000-0000-0000-000000000000"",

  ""CustomerName"": null,

  ""ContractId"": ""00000000-0000-0000-0000-000000000000"",

  ""ContractTitle"": null,

  ""ContractDetailsId"": ""00000000-0000-0000-0000-000000000000"",

  ""ContractDetailsTitle"": null,

  ""CRMLink"": null,

  ""LeadId"": ""00000000-0000-0000-0000-000000000000"",

  ""LeadTitle"": null,

  ""Urgency"": ""b02d9277-a9fe-86f1-e95e-0ba8cd4fd075"",

  ""Priority"": ""1e070214-693f-4a19-82bb-b88ee6362d98"",

  ""Source"": ""57e11419-ac27-a6fa-97f1-0ec2a9722807"",

  ""Area"": ""3c5e6037-b057-5745-4d89-e95f67d3236b"",

  ""SupportGroup"": ""ae536997-8124-85e7-496e-225b7991a450"",

  ""Attachments"": [ ],

  ""Activities"": [

    {

      ""<Id>k__BackingField"": ""ffe60a69-f3c8-adbe-9bbd-4050d766cc81"",

      ""<ActivityID>k__BackingField"": ""MA21578"",

      ""<Title>k__BackingField"": ""a"",

      ""<Status>k__BackingField"": ""Ready"",

      ""<TypeOfActivity>k__BackingField"": 1

    },

    {

      ""<Id>k__BackingField"": ""91286e74-6a39-964f-040f-5daf99e84792"",

      ""<ActivityID>k__BackingField"": ""RA21579"",

      ""<Title>k__BackingField"": ""b"",

      ""<Status>k__BackingField"": ""Ready"",

      ""<TypeOfActivity>k__BackingField"": 0

    },

    {

      ""<Id>k__BackingField"": ""9754f1a1-d37b-265a-087a-f6688808dbeb"",

      ""<ActivityID>k__BackingField"": ""MA21577"",

      ""<Title>k__BackingField"": ""c"",

      ""<Status>k__BackingField"": ""Active"",

      ""<TypeOfActivity>k__BackingField"": 1

    },

    {

      ""<Id>k__BackingField"": ""d959cac5-cb78-a3fb-09e2-76da1b5381b2"",

      ""<ActivityID>k__BackingField"": ""MA21580"",

      ""<Title>k__BackingField"": ""d"",

      ""<Status>k__BackingField"": ""Ready"",

      ""<TypeOfActivity>k__BackingField"": 1

    }

  ],

  ""Status"": ""InProgress""

}";

​

​

        ServiceRequest items = JsonConvert.DeserializeObject<ServiceRequest>(json);

​

        Console.WriteLine("Area: " + items.Area);

        Console.WriteLine("CRMLink: " + items.CRMLink);

​

        Console.WriteLine("Number of Activities: " + items.Activities.Count);

​

        int i = 0;

        //Activities are null why???????

        foreach (var type in items.Activities)

        {

            i++;

            Console.WriteLine("Activities item number " + i);

            Console.WriteLine("ActivityID: " + type.ActivityID);

            Console.WriteLine("Id: " + type.Id);

            Console.WriteLine("Status: " + type.Status);

            Console.WriteLine("Title: " + type.Title);

            Console.WriteLine("TypeOfActivity: " + type.TypeOfActivity);

            Console.WriteLine();

        }

    }

}

​

[Serializable]

[JsonObject(MemberSerialization.Fields)]

public class Activity

{

    public Guid Id { get; set; }

    public String ActivityID { get; set; }

    public String Title { get; set; }

    public String Status { get; set; }

​

    public ActivityType TypeOfActivity { get; set; }

}

​

[Serializable]

public enum ActivityType

{

    ReviewActvity,

    ManualActivity

}

​

[Serializable]

public class Attachment

{

    [Required]

    public string FileName { get; set; }

    [Required]

    public string ServerFileName { get; set; }

    public bool ToRemove { get; set; }

    [Required]

    public string AttachedByUser { get; set; }

​

}

​

[Serializable]

public class ServiceRequest

{

    [Required]

    public string Title { get; set; }

    public String Id { get; set; }

    public DateTime CreatedDate { get; set; }

    public string DisplayName { get; set; }

    [Required]

    public string Description { get; set; }

    public string AlternateContactMethod { get; set; }

    public string AffectedUser { get; set; }

    public string AssignedToUser { get; set; }

    public Guid CustomerCode { get; set; }

    public string CustomerName { get; set; }

    public Guid ContractId { get; set; }

    public string ContractTitle { get; set; }

    public Guid ContractDetailsId { get; set; }

    public string ContractDetailsTitle { get; set; }

    public string CRMLink { get; set; }

    public Guid LeadId { get; set; }

    public string LeadTitle { get; set; }

    public Guid Urgency { get; set; }

    public Guid Priority { get; set; }

    public Guid Source { get; set; }

    public Guid Area { get; set; }

    public Guid SupportGroup { get; set; }

    public List<Attachment> Attachments { get; set; }

    public List<Activity> Activities { get; set; }

    public string Status { get; set; }

}