public JsonResult GetWeightForLastThirtyDays(string personId, string currentDateTime) { DateTime endDate = DateTime.Parse(currentDateTime); DateTime startDate = endDate.AddDays(-30); WeightHandler handler = new WeightHandler(); List <XYModel> weightAndDateModel = handler.GetWeightsAndDatesAsXAndY(Convert.ToInt32(personId), startDate, endDate); return(Json(weightAndDateModel)); }