/// <summary>
        /// 對Master table 做結案動作
        /// </summary>
        /// <param name="ParMasterList">更新變數</param>
        /// <param name="RootDBT">是否有主交易,無主交易輸入null</param>
        /// <returns>回傳影響筆數</returns>
        public void ClosePurchaseOrder(ArrayList ParMasterList,
                                       DataRow OldMasterRow,
                                       DbTransaction RootDBT
                                       )
        {
            bool IsRootTranscation = false;

            try
            {
                //判斷是否有傳入Root Transcation 
                IsRootTranscation = (RootDBT == null) ? true : false;

                #region 啟動交易或指定RootTranscation
                if (IsRootTranscation)
                {
                    //獨立呼叫啟動Transcation
                    Conn = USEDB.CreateConnection();
                    Conn.Open();
                    DBT = Conn.BeginTransaction();
                }
                else
                {
                    DBT = RootDBT;
                }
                #endregion

                DBO.PUR_PurchaseOrderDBO dbo = new PUR_PurchaseOrderDBO(ref USEDB);
                dbo.doClosePurchaseOrder(ParMasterList, OldMasterRow, DBT);

                ArrayList Para = new ArrayList();
                Para.Clear();
                Para.Add(OldMasterRow["PURCHASE_NO"].ToString().Trim());
                Para.Add("M");
                Para.Add(ParMasterList[0].ToString());
                dbo.doCloseCaseDetailByPurNo(Para, DBT);

                #region 交易成功
                if (IsRootTranscation)
                {
                    //獨立呼叫Transcation成立
                    DBT.Commit();
                }
                #endregion
            }
            catch (Exception ex)
            {
                #region 交易失敗
                if (IsRootTranscation)
                {
                    //獨立呼叫Transcation失敗
                    DBT.Rollback();
                }
                #endregion

                throw ex;
            }
            finally
            {
                #region 判斷是否關閉交易連線

                if (IsRootTranscation)
                {
                    //獨立呼叫Transcation,關閉連線
                    if (Conn.State == ConnectionState.Connecting)
                    {
                        Conn.Close();
                    }
                }

                #endregion

            }
        }