public bool CheckPurItemIsOnWay(string sPurNo, string sItemNo, string sPeriod)
        {
            try
            {
                DBO.OUT_PurchaseOrderDBO dbo = new OUT_PurchaseOrderDBO(ref USEDB);
                int iCount = dbo.CheckPurItemIsOnWay(sPurNo, sItemNo, sPeriod);

                if (iCount == 0)
                { return false; }
                else
                { return true; }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }