public void deleteRecommendationSetting(Recommendation_Setting rs)
 {
     Recommendation_DAO dao = null;
     try
     {
         dao = new Recommendation_DAO();
         dao.beginTransaction();
         foreach (Recommend_Setting_Value val in rs.Values)
         {
             dao.deleteRecommendationSettingDetail(val.ValueID);
         }
         dao.deleteRecommendationSetting(rs.Key);
         dao.commitTransaction();
     }
     catch (Exception ex)
     {
         dao.rollbackTransaction();
         throw ex;
     }
 }