using System;

using Newtonsoft.Json;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var jsonString=@"{'errors':[],'data':{'__schema':{'queryType':{'fields':[{'name':'getData1'},{'name':'getData2'},{'name':'getData100'}]}}},'extensions':null,'dataPresent':true}";

        var test=JsonConvert.DeserializeObject<Root>(jsonString);

        var data=test.Data;

        foreach(var item in data.Schema.QueryType.Fields)

        {

          Console.WriteLine(item.Name);

        }

    }

}

​

    public class Root

    {

        [JsonProperty("errors")]

        public List<object> Errors { get; set; }

​

        [JsonProperty("data")]

        public Data Data { get; set; }

​

        [JsonProperty("extensions")]

        public object Extensions { get; set; }

​

        [JsonProperty("dataPresent")]

        public bool DataPresent { get; set; }

    }

​

    public class Data

    {

        [JsonProperty("__schema")]

        public Schema Schema { get; set; }

    }

​

    public class Schema

    {

        [JsonProperty("queryType")]

        public QueryType QueryType { get; set; }

    }

​

    public class QueryType

    {

        [JsonProperty("fields")]

        public List<Field> Fields { get; set; }

    }

​

    public class Field

    {

        [JsonProperty("name")]

        public string Name { get; set; }

    }