using System;using System.Collections.Generic;using System.Linq;using System.Text;using Newtonsoft.Json;using Newtonsoft.Json.Converters;using Newtonsoft.Json.Serialization; namespace CapMon.Utilities{    public static class JsonHelper    {        private static JsonSerializerSettings _jsonSettings;         static JsonHelper()        {            IsoDateTimeConverter datetimeConverter = new IsoDateTimeConverter();            datetimeConverter.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";             _jsonSettings = new JsonSerializerSettings();            _jsonSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();              _jsonSettings.MissingMemberHandling = Newtonsoft.Json.MissingMemberHandling.Ignore;            _jsonSettings.NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore;            _jsonSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;            _jsonSettings.Converters.Add(datetimeConverter);        }         public static string ToJson(this object obj)        {            try            {                if (null == obj)                    return null;                 return JsonConvert.SerializeObject(obj, Formatting.None, _jsonSettings);            }            catch (Exception ex)            {                Logging.LogExeption(ex);                 return null;            }        }         public static T FromJson
     
      (this string json)        {            try            {                return JsonConvert.DeserializeObject
      
       (json, _jsonSettings);            }            catch (Exception ex)            {                Logging.LogExeption(ex);                 return default(T);            }        }    }}