.net 批量插入 oracle 数据库

protected void SaveTest(Repeater repeater)
{
            string connstr = BLIT.DA.Common.DataBaseConnection.GetDBConnectoinStr();

            using (OracleConnection conn = new OracleConnection(connstr))
            {
                conn.Open();

                //主表插入语句
                OracleDataAdapter oda = new OracleDataAdapter();
                oda.SelectCommand = new OracleCommand(" select * from fdjh_zb where 1=2 " ,conn );
                oda.InsertCommand = new OracleCommand(" insert into fdjh_zb (JHGUID,JHLX,DWBM,DWMC,SJDWBM,JHRQ,BSSJ,BSR,SFCS,ZT) "+
                                                      " values (:JHGUID,:JHLX,:DWBM,:DWMC,:SJDWBM,:JHRQ,:BSSJ,:BSR,:SFCS,:ZT)", conn);

                oda.InsertCommand.Parameters.Add(":JHGUID", OracleType.VarChar, 40, "JHGUID");
                oda.InsertCommand.Parameters.Add(":JHLX", OracleType.VarChar, 40, "JHLX");
                oda.InsertCommand.Parameters.Add(":DWBM", OracleType.VarChar, 40, "DWBM");
                oda.InsertCommand.Parameters.Add(":DWMC", OracleType.VarChar, 40, "DWMC");
                oda.InsertCommand.Parameters.Add(":SJDWBM", OracleType.VarChar, 40, "SJDWBM");
                oda.InsertCommand.Parameters.Add(":JHRQ", OracleType.VarChar, 40, "JHRQ");
                oda.InsertCommand.Parameters.Add(":BSSJ", OracleType.DateTime, 40, "BSSJ");
                oda.InsertCommand.Parameters.Add(":BSR", OracleType.VarChar, 40, "BSR");
                oda.InsertCommand.Parameters.Add(":SFCS", OracleType.Int32, 40, "SFCS");
                oda.InsertCommand.Parameters.Add(":ZT", OracleType.Int32, 40, "ZT");

                oda.InsertCommand.UpdatedRowSource = UpdateRowSource.None;
                oda.UpdateBatchSize = 0;

                DataSet ds = new DataSet();
                oda.Fill(ds);

                //主表插入语句变量声明
                string JHGUID = "";
                string JHZQ = "";
                string JHRQ = this.tbDate.Text;
                string JHLX = "";
                string DWBM = "";
                string DWMC = "";
                string SJDWBM = "";
                DateTime BSSJ = DateTime.Now;
                string BSR = "";
                int SFCS = 0;
                int ZT = 0;

                for (int i = 0; i < repeater.Items.Count; i++)
                {
                    //插入计划主表新记录
                    GridView gv = repeater.Items[i].FindControl("GridView1") as GridView;
                    string Orgcode = getLabelControl(gv, 0, "lbORGCODE").Text;
                    QX_ORGANIZATION QX_ORGANIZATION = QX_ORGANIZATION_bl.getByCode(Orgcode);

                    JHGUID = System.Guid.NewGuid().ToString("N");
                    JHZQ = this.RadioButtonList1.SelectedItem.Text;
                    DWBM = QX_ORGANIZATION.ORGCODE;
                    DWMC = QX_ORGANIZATION.ORGNAME;
                    SJDWBM = QX_ORGANIZATION.ADMINISTRATOR_ORG_CODE;
                    BSR = "";

                    switch (JHZQ)
                    {
                        case "日":
                            JHLX = "ZDDC-RJH";
                            break;
                        case "月":
                            JHLX = "ZDDC-YJH";
                            break;
                        case "年":
                            JHLX = "ZDDC-NJH";
                            break;
                        default:
                            break;

                    }
                    object[] row_zb = { JHGUID,JHLX,DWBM,DWMC,SJDWBM,JHRQ,BSSJ,BSR,SFCS,ZT };
                    ds.Tables[0].Rows.Add(row_zb);

                }

                //插入记录，回收资源
                oda.Update(ds.Tables[0]);
                ds.Tables[0].Clear();

                ds.Dispose();
                oda.Dispose();
               
                conn.Close();

            }
        }