public bool UpdatePurchaseCard(DataTable PurchaseCard_Main, DataTable PurchaseCard_Sale_Area,
            DataTable PurchaseCard_Chain, DataTable PurchaseCard_Nondiss_St)
        {
            int PID = 0;
            using (DbConnection connection = USEDB.CreateConnection())
            {
                connection.Open();
                DbTransaction transaction = connection.BeginTransaction();
                try
                {
                    if (PurchaseCard_Main.Rows.Count == 0) { throw new Exception("沒有採購卡資料"); }

                    PID = Convert.ToInt32(PurchaseCard_Main.Rows[0]["ID"].ToString());
                    //Update PurchaseCard_Main
                    DBO.MKT_PurchaseCardDBO dbo = new MKT_PurchaseCardDBO(ref USEDB);
                    dbo.doUpdate(PurchaseCard_Main.Rows[0], ref transaction);

                    //Insert Sale_Area
                    DBO.MKT_PurchaseCardSaleAreaDBO dboArea = new MKT_PurchaseCardSaleAreaDBO(ref USEDB);
                    dboArea.doDeleteByPID(PID.ToString(), ref transaction); 
                    foreach (DataRow dr in PurchaseCard_Sale_Area.Rows)
                    {
                        dr["PID"] = PID;
                        dboArea.doCreate(dr, ref transaction);
                    }

                    //Insert Chain 
                    DBO.MKT_PurchaseCardChainDBO dboChain = new MKT_PurchaseCardChainDBO(ref USEDB);
                    dboChain.doDeleteByPID(PID.ToString(), ref transaction); 
                    foreach (DataRow dr in PurchaseCard_Chain.Rows)
                    {
                        dr["PID"] = PID;
                        dboChain.doCreate(dr, ref transaction);
                    }

                    //Insert Nondiss_st
                    DBO.MKT_PurchaseCardNondissStDBO dboNondiss = new MKT_PurchaseCardNondissStDBO(ref USEDB);
                    dboNondiss.doDeleteByPID(PID.ToString(), ref transaction); 
                    foreach (DataRow dr in PurchaseCard_Nondiss_St.Rows)
                    {
                        dr["PID"] = PID;
                        dboNondiss.doCreate(dr, ref transaction);
                    }

                    // Commit the transaction
                    transaction.Commit();

                    return true; 
                }
                catch
                {
                    // Rollback transaction 
                    transaction.Rollback();
                    return false;
                }
                connection.Close();
            }
        }