public List <GardenEntity> ListPerenial() { GardenDAO gardenDAO = new GardenDAO(); List <GardenEntity> gardenEntityList = new List <GardenEntity>(); if (gardenDAO != null) { gardenEntityList = gardenDAO.ListPerenial(); } else { throw new Exception("GardenDAO is null. ListPerenial"); } return(gardenEntityList); }