public retValue UpdateByPK(int ID, int months, int ordernum, string bkdh, int PersonID, int ModifyUser, int PosterID, string OrderDate, string guid = "") { retValue ret = new retValue(); string res = dal.update(ID, ordernum, months, guid, bkdh, PersonID, ModifyUser, PosterID, OrderDate); if (string.IsNullOrEmpty(res)) { ret.result = true; ret.data = "保存成功"; } else { ret.result = false; ret.reason = res; } return(ret); }