using System;

using Newtonsoft.Json;

using System.Data;

public class Program

{

    public static void Main()

    {

        string json = @"{

                          'Table1': [

                            {

                              'id': 0,

                              'item': 'item 0'

                            },

                            {

                              'id': 1,

                              'item': 'item 1'

                            }

                          ],

                        'Table2': [

                            {

                              'id': 0,

                              'item': 'item 0',

                              'value': 'value 0'

                            },

                            {

                              'id': 1,

                              'item': 'item 1',

                              'value': 'value 1'

                            },

{

                              'id': 2,

                              'item': 'item 2',

                              'value': 'value 2'

                            }

                          ]

​

                        }";

​

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

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

​

        Console.WriteLine(dataTable.Rows.Count);

​

        foreach (DataRow row in dataTable.Rows)

        {

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

        }

        DataTable dataTable2 = dataSet.Tables["Table2"];

​

        Console.WriteLine(dataTable2.Rows.Count);

        foreach (DataRow row in dataTable2.Rows)

        {

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

        }

    }

}