using System;

using System.Data;

using Newtonsoft.Json;

​

public class Program

{

    public static void Main()

    {

        string json = @"{

          'Table1': [

            {

              'id': 0,

              'item': 'item 0'

            },

            {

              'id': 1,

              'item': 'item 1'

            }

          ]

        }";

​

        DataSet dataSet = JsonConvert.DeserializeObject<DataSet>(json);

​

        DataTable dataTable = dataSet.Tables["Table1"];

​

        Console.WriteLine(dataTable.Rows.Count);

        // 2

​

        foreach (DataRow row in dataTable.Rows)

        {

            Console.WriteLine(row["id"] + " - " + row["item"]);

}

    }

}