public double UpdateRequisitionItem(string userID, RequisitionItemData data) { double ret = 0; V_SUPPORT_LIST_DAL v_spport_listt_dal = new V_SUPPORT_LIST_DAL(); ret = v_spport_listt_dal.UpdateRequsitionItemData(userID.ToString(), data); if (ret == 0) { _error = v_spport_listt_dal.ErrorMessage; return 0; } else return ret; }