public ActionResult GetWeekComments(Guid? commentId, Guid? targetId) { var updateWeekComment = new UpdateWeekComment(); if (commentId.HasValue) { var weeklyPlanServices = ServiceLocator.Instance.GetService<IWeeklyPlanServices>(); updateWeekComment = weeklyPlanServices.GetWeekComments(commentId.GetValueOrDefault()); } updateWeekComment.WeekTargetId = targetId.GetValueOrDefault(); ViewBag.UpdateWeekComment = new HtmlString(updateWeekComment.ToJson()); return PartialView(); }