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 = @"{'Output': [

      {

        'LineType': 'A',

        'Description': 'NA/ST Invoice',

        'Amount': -7950,

        'ApplyTrans': null,

        'ApplyMth': null,

        'InvoiceNo': null,

        'VistaType': 'BatchEntry',

        'BatchId': '94',

        'BatchSeq': '1'

      }

    ]

  }";

    string dataJSON2 = @"{'payment': {

    'id': 79016,

    'appliedTo': [

      {

        'appliedTo': 78873,

        'appliedAmount': '7950.00',

        'appliedOn': '2022-07-21T17:54:12.0912257+00:00',

        'appliedBy': 'pedropagliosa-ryvitdev'

      }

    ]

}}";

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

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

     /*foreach(var dataR in Data)

     {

        Console.WriteLine(String.IsNullOrEmpty(Data.Value<string>("InvoiceNo")));

        var test = !JArray.FromObject((object)Data2["payment"]["appliedTo"])

         .Where

         (d => d.Value<string>("appliedTo")

               == Data.Value<string>("InvoiceNo")

               &&

               !String.IsNullOrEmpty(Data.Value<string>("InvoiceNo"))

         ).Any();

         Console.WriteLine(test);*/

      /*var test = JArray.FromObject((object)Data.Output)

   .Where(d => d.Value<string>("VistaType") ==

                            "BatchEntry"

          &&

          d.Value<string>("Notes") 

          == String.Format("{0}/ST",Data2["payment"]

                           .Value<string>("id"))

   ).Any();*/

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

   .Where(d => d.Value<string>("VistaType") ==

                            "BatchEntry"

          &&

          d.Value<string>("Notes") 

          == String.Format("{0}/ST",Data2["payment"]

                           .Value<string>("id"))

          &&

        JArray.FromObject((object)Data2["payment"]

                                    ["appliedTo"])

          .Where(e => e.Value<string>("appliedTo")

                   == d.Value<string>("InvoiceNo")

          ).Any()

   ).Any();

      //Console.WriteLine(test);

​

    }

}