ado.net读取oracle结果集

/**
 3  4  5   */
 
     ---oracle中使用游标返回数据，在ado.net中进行读取
  PROCEDURE ISDT_VEHICLE_TASK_CHECK(P_CARNUM    IN VARCHAR2,
                                    CUR_OUT     OUT sys_refcursor
                                   ) IS
    G_HAS_TASK varchar2(40); -- 任务编号
  BEGIN
    
    select max(t.task_id)
      into G_HAS_TASK
      from T_ISDT_VEHICLE_TASK_LAST t
     where t.car_num = P_CARNUM
       and rownum = 1
     order by t.created_date desc;
  
    if G_HAS_TASK is not null then
      
    
      OPEN CUR_OUT FOR
        select t.task_id,
               ds.id,
               ds.site_code,
               ds.center_lon,
               ds.center_lat,
               ds.latlons,
               ds.center_lon_bd,
               ds.center_lat_bd,
               ds.latlons_bd
          from T_ISDT_VEHICLE_TASK_LAST t
         inner join t_isdt_delivery_site ds
            on t.sender_site_id = ds.id
           and ds.state = 1
         where t.car_num = P_CARNUM
           and rownum = 1
         order by t.created_date desc;
    
      /*OPEN CUR_CARTASK FOR
        select vi.id as vehicleID,st.task_id as taskID  from T_ISDT_VEHICLE_TASK_LAST st
        inner join t_isdt_vehicle_info vi on vi.car_num=st.car_num
        where st.car_num = P_CARNUM and rownum = 1
        order by st.created_date desc;
    */
      --存在任务
      ----P_STATE := 1;
    else
    
      OPEN CUR_OUT FOR
        select '' as task_id,
               '' as id,
               '' as site_code,
               '' as center_lon,
               '' as center_lat,
               '' as latlons,
               '' as center_lon_bd,
               '' as center_lat_bd,
               '' as latlons_bd
          from dual;
    
      /*OPEN CUR_CARTASK FOR
           select '' as vehicleID,'' as taskID from dual;*/
    
      --不存在任务
      ----P_STATE := 0;
    end if;
  END ISDT_VEHICLE_TASK_CHECK;

ado.net读取oracle雷彪

 /// <summary>
 
        /// wyg 2017-3-10 
        /// </summary>
        /// <param name="vehicleNo"></param>
        /// <returns></returns>
        public List<AreaSite> CheckVehicleInTask(string vehicleNo, out string vehicleId, out string taskId)
        {
            vehicleId = taskId = string.Empty;
            var list = new List<AreaSite>();
            Database database = DBHelper.CreateDataBase();
            DbCommand command = database.GetStoredProcCommand("ISDT_VEHICLE_DATA_SYNC.ISDT_VEHICLE_TASK_CHECK");
            database.AddInParameter(command, "P_CARNUM", DbType.String, vehicleNo);

         
            using (IDataReader reader = database.ExecuteReader(command))
            {
                while (reader.Read())
                {
                    list.Add(new AreaSite(reader));
                }
                if (reader.NextResult())
                {
                    if (!reader.IsDBNull(0))
                    {
                        vehicleId = reader.GetString(0);
                    }
                    if (!reader.IsDBNull(1))
                    {
                        taskId = reader.GetString(1);
                    }
                }
            }
            return list;
        }

　ORACLE中返回多个游标信息：http://www.360doc.com/content/10/0511/23/1121193_27150614.shtml