public ErrorItem CheckItemByCustomer(NZString ItemCD, NZString CustomerCode) { ItemDAO dao = new ItemDAO(CommonLib.Common.CurrentDatabase); if (!dao.ExistWithCustomer(null, ItemCD, CustomerCode)) { ErrorItem errorItem = new ErrorItem(ItemCD.Owner, TKPMessages.eValidate.VLM0182.ToString()); return(errorItem); } return(null); }