public abstract class CustomResult<TData> : ActionResult

    {

        public abstract TData GetObject();

        protected JsonSerializerSettings SerializerSettings;

        protected void InitSerialization(ControllerContext context)

        {

            HttpResponseBase response = context.HttpContext.Response;

            response.ContentType = "text/html";

            TData data = GetObject();

            if (SerializerSettings == null)

            {

                SetSerializerSettings();

            }

            response.Write(JsonConvert.SerializeObject(data, Formatting.None, SerializerSettings));

        }

        protected virtual void SetSerializerSettings()

        {

            SerializerSettings = new JsonSerializerSettings

            {

                Converters = new List<JsonConverter>

                {

                    new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-dd hh:mm" }

                }

            };

        }

        public override void ExecuteResult(ControllerContext context)

        {

            InitSerialization(context);

        }

    }