using System;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string json = @"

        {

          ""Office"": ""10649273-8412-4ac0-9109-085b04b49964"",

          ""SearchItemList[0].Column"": ""Account"",

          ""SearchItemList[0].Operation"": ""0"",

          ""SearchItemList[0].Value"": ""be5a36a7-c301-44d7-8d40-85e9637b5b14"",

          ""SearchItemList[1].Column"": """",

          ""SearchItemList[1].Operation"": ""0"",

          ""SearchItemList[1].Value"": """",

          ""SearchItemList[2].Column"": """",

          ""SearchItemList[2].Operation"": ""0"",

          ""SearchItemList[2].Value"": """",

          ""SearchItemList[3].Column"": """",

          ""SearchItemList[3].Operation"": ""0"",

          ""SearchItemList[3].Value"": """",

          ""SearchItemList[4].Column"": """",

          ""SearchItemList[4].Operation"": ""0"",

          ""SearchItemList[4].Value"": """",

          ""SearchItemList[5].Column"": """",

          ""SearchItemList[5].Operation"": ""0"",

          ""SearchItemList[5].Value"": """"

        }";

​

        JObject obj = JObject.Parse(json);

        RootObject root = new RootObject

        {

            Office = (string)obj["Office"],

            SearchItemList = 

                obj.Properties()

                   .Where(p => p.Name.StartsWith("SearchItemList["))

                   .Select(p =>

                   {

                       var parts = p.Name.Split(new string[] { "[", "]." }, 3, StringSplitOptions.None);

                       return new

                       {

                           Index = int.Parse(parts[1]),

                           Property = new JProperty(parts[2], p.Value)

                       };

                   })

                   .GroupBy(a => a.Index)

                   .OrderBy(g => g.Key)

                   .Select(g => new JObject(g.Select(a => a.Property)).ToObject<SearchItem>())

                   .ToList()

        };

​

        Console.WriteLine("Office: " + root.Office);

        foreach (SearchItem item in root.SearchItemList)

        {

            Console.WriteLine();

            Console.WriteLine("Column: " + item.Column);

            Console.WriteLine("Operation: " + item.Operation);

            Console.WriteLine("Value: " + item.Value);

        }

    }

}

​

class RootObject

{

    public string Office { get; set; }

    public List<SearchItem> SearchItemList { get; set; }

}

​

class SearchItem

{

    public string Column { get; set; }

    public string Operation { get; set; }

    public string Value { get; set; }

}

​