我要在business service/logic 层调用dataset

Question

/// <summary>
        /// 获得 HR 职能集合。
        /// </summary>
        public static Yimi.TaoCaiBao.Data.DataSet.Attribute.AttributeHumanResourcePositionFunctionDataTable GetHumanResourcePositionFunction()
        {
            if (m_HRPositionFunctionDataTable == null)
            {
                m_HRPositionFunctionDataTable = new Yimi.TaoCaiBao.Data.DataSet.AttributeTableAdapters.AttributeHumanResourcePositionFunctionTableAdapter().GetData();
            }
            return m_HRPositionFunctionDataTable;
        }        public static AttributeHumanResourcePositionFunctionData GetHumanResourcePositionFunctionByFunctionCode(string hrPositionFunctionCode)
        {
            AttributeHumanResourcePositionFunctionCollection datas = HumanResourcePositionFunction;
            foreach (AttributeHumanResourcePositionFunctionData data in datas.Items)
            {
                if (data.CategoryCode == hrPositionFunctionCode)
                {
                    return data;
                }
            }
            return new AttributeHumanResourcePositionFunctionData();
        }
        #endregion
    }

Answer 1

Business Service是什么意识???