using System;

using System.Linq;

using System.Collections.Generic;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

    string dataJSON = @"{

    'SMCustomerID': 39,

    'SMCo': 1,

    'CustGroup': 1,

    'Customer': 275,

    'Active': 'Y',

    'Contacts': [

      {

        'SMCustomerContactID': 8,

        'ContactGroup': 1,

        'ContactSeq': 1007

      },

      {

        'SMCustomerContactID': 42,

        'ContactGroup': 1,

        'ContactSeq': 1043

      }

    ]

  }";

  string dataJSON2 = @"[{

    'SMServiceSiteID': 7,

    'SMCo': 1,

    'ServiceSite': 'Reser Stadium',

    'CustGroup': 1,

    'Customer': 275,

    'Description': 'Reser Stadium',

    'Contacts': [

      {

        'SMServiceSiteContactID': 30,

        'ContactGroup': 1,

        'ContactSeq': 1005

      },

      {

        'SMServiceSiteContactID': 18,

        'ContactGroup': 1,

        'ContactSeq': 1030

      },

      {

        'SMServiceSiteContactID': 31,

        'ContactGroup': 1,

        'ContactSeq': 1043

      }

    ]

  },

  {

    'SMServiceSiteID': 12,

    'SMCo': 1,

    'ServiceSite': 'OSU-West Dining Hall',

    'CustGroup': 1,

    'Customer': 275,

    'Description': 'OSU-West Dining Hall',

    'Address1': '2020 SW Western Blvd',

    'Contacts': [

      {

        'SMServiceSiteContactID': 7,

        'ContactGroup': 1,

        'ContactSeq': 1007

      }

    ]

  }

]

";

      var Data = JsonConvert.DeserializeObject<dynamic>(dataJSON);

      var Data2 = JsonConvert.DeserializeObject<dynamic>(dataJSON2);

      var test2 = JArray.FromObject((object)Data).Select(s => s["Contacts"]);

      foreach(var tst2 in test2)

          Console.WriteLine(test2);

      var test = JArray.FromObject((object)Data.Contacts)

  .Select(s => s.Value<int>("ContactSeq"))

  .ToList();

      foreach(var item in test)

        Console.WriteLine(item);

​

    }

}