.NET批量数据入库

/// <summary>
        /// 批量写入数据库
        /// </summary>
        /// <param name="urlInfo">Url类</param>
        public void InsertDataSet(List<UrlInfo> urlInfos)
        {
            OracleConnection myConn = new OracleConnection(connStr);
            if (myConn.State != ConnectionState.Open)
            {
                myConn.Open();
            }
            OracleDataAdapter adapter = new OracleDataAdapter();
            adapter.SelectCommand = new OracleCommand("select visitid,mobile,url,startTime,endTime,desIp,desPort,agentIp,agentPort,mobileIp,mobilePort,urlTypeId,comeFrom from cn_visit where 1=0", myConn);
            adapter.InsertCommand = new OracleCommand(@"INSERT INTO cn_visit(visitid,mobile,url,startTime,endTime,desIp,desPort,agentIp,agentPort,mobileIp,mobilePort,urlTypeId,comeFrom)
                                                        VALUES(seq_cn_visitid.Nextval,:mobile,:url,:startTime,:endTime,:desIp,:desPort,:agentIp,:agentPort,:mobileIp,:mobilePort,:urlTypeId,:comeFrom)", myConn);
            adapter.InsertCommand.Parameters.Add(":mobile", OracleType.VarChar, , "mobile");
            adapter.InsertCommand.Parameters.Add(":url", OracleType.VarChar, , "url");
            adapter.InsertCommand.Parameters.Add(":startTime", OracleType.Number, , "startTime");
            adapter.InsertCommand.Parameters.Add(":endTime", OracleType.Number, , "endTime");
            adapter.InsertCommand.Parameters.Add(":desIp", OracleType.VarChar, , "desIp");
            adapter.InsertCommand.Parameters.Add(":desPort", OracleType.Number,, "desPort");
            adapter.InsertCommand.Parameters.Add(":mobileIp", OracleType.VarChar, , "mobileIp");
            adapter.InsertCommand.Parameters.Add(":mobilePort", OracleType.Number, , "mobilePort");
            adapter.InsertCommand.Parameters.Add(":agentIp", OracleType.VarChar, , "agentIp");
            adapter.InsertCommand.Parameters.Add(":agentPort", OracleType.Number, , "agentPort");
            adapter.InsertCommand.Parameters.Add(":urlTypeId", OracleType.Number, , "urlTypeId");
            adapter.InsertCommand.Parameters.Add(":comefrom", OracleType.Number, , "comeFrom");

            adapter.InsertCommand.UpdatedRowSource = UpdateRowSource.None;
            adapter.UpdateBatchSize = ;

            DataSet dataSet = new DataSet();

            try
            {

                adapter.Fill(dataSet);

                for (int i = ; i < urlInfos.Count; i++)
                {
                    DataRow dr = dataSet.Tables[].NewRow();
                    dr["mobile"] = urlInfos[i].Mobile;
                    dr["startTime"] = urlInfos[i].StartTime;
                    dr["endTime"] = urlInfos[i].EndTime;
                    dr["url"] = urlInfos[i].Url;
                    dr["desIp"] = urlInfos[i].DesIp;
                    dr["desPort"] = urlInfos[i].DesPort;
                    dr["mobileIp"] = urlInfos[i].MobileIp;
                    dr["mobilePort"] = urlInfos[i].MobilePort;
                    dr["agentIp"] = urlInfos[i].AgentIp;
                    dr["agentPort"] = urlInfos[i].AgentPort;
                    dr["urlTypeId"] = urlInfos[i].UrlTypeId;
                    dr["comeFrom"] = urlInfos[i].ComeFrom;

                    dataSet.Tables[].Rows.Add(dr);
                }
                adapter.Update(dataSet.Tables[]);
            }
            catch (Exception e)
            {
                log.Info("写入数据库失败，原因是：" + e.ToString());
            }
            if (myConn.State == ConnectionState.Open)
            {
                myConn.Close();
            }

        }