public DTOItemOdered GetItemOderedById(int idbill)
        {
            string        query = string.Format("SELECT * FROM TableItemOdered WHERE idbill={0}  ", idbill);
            DataTable     dt    = DataProvider.Instance.ExecuteQuery(query);
            DTOItemOdered gv    = new DTOItemOdered(dt.Rows[0]);

            return(gv);
        }
        public List <DTOItemOdered> GetListItemOdered()
        {
            List <DTOItemOdered> list = new List <DTOItemOdered>();
            string    query           = string.Format("SELECT * FROM TableItemOdered ");
            DataTable dt = DataProvider.Instance.ExecuteQuery(query);

            foreach (DataRow item in dt.Rows)
            {
                DTOItemOdered order = new DTOItemOdered(item);
                list.Add(order);
            }
            return(list);
        }