public JsonResult IsExist(string type, string alias)
        {
            var     result = _productTypeService.IsExist(type, alias);
            JObject obj    = new JObject()
            {
                new JProperty("exist", result != null),
                new JProperty("detail", (result != null) ? new JObject(
                                  new JProperty("Code", result.PROD_CODE),
                                  new JProperty("Type", result.PRODUCT_TYPE),
                                  new JProperty("Alias", result.PRODUCT_ALIAS)
                                  ) : null)
            };

            return(Json(obj.ToString()));
        }