在PLsql里Test包里的FUNCTION可以正常执行，

当在C#前台调用时返回值正确但是数据未添加到表里

-获取生成托标签
  FUNCTION get_tackle_num(p_frist      IN VARCHAR2,
                          p_num        IN NUMBER,
                          p_year_and_m IN VARCHAR2) RETURN VARCHAR2 IS
    lv_code       VARCHAR2(20);
    lv_code2      VARCHAR2(20);
    lv_codelist   VARCHAR2(20000);
    lv_maxnum     VARCHAR2(20);
    lv_num        number;
    lv_workshop   VARCHAR2(20);
    lv_org        VARCHAR2(20);
    --ln_message_id number := ljmes.system_api_pkg.success;
    lr_rows       longimes.LJ_MES_QP_TACKLE%ROWTYPE;
  BEGIN
    --获取车间，组织Id
    lv_workshop := longimes.lj_mes_qp_public_pck.get_workshop_one;
    lv_org      := get_organization_id;
    --获取托板编号
    lv_code := p_frist || lv_workshop || p_year_and_m;
    --获取流水号
    select Max(substr(t.tackle_num, -4))
      into lv_maxnum
      from longimes.lj_mes_qp_tackle t
     where substr(t.tackle_num, 0, 6) = lv_code;
  
    --获取流水号
    IF lv_maxnum is null THEN
      lv_num := 0;
    ELSE
      lv_num := to_number(lv_maxnum);
    END IF;
    --是否超出范围
    IF lv_num + p_num > 9999 THEN
      RETURN 'E@错误@流水号超出最大范围';
    END IF;
    --公共部分
    lr_rows.creation_date     := SYSDATE;
    lr_rows.created_by        := ljmes.system_api_pkg.get_user_id;
    lr_rows.last_update_date  := SYSDATE;
    lr_rows.last_updated_by   := ljmes.system_api_pkg.get_user_id;
    lr_rows.last_update_login := ljmes.system_api_pkg.get_client_session_id;
  
    --生成标签号并存到表里
    FOR i IN 1 .. p_num LOOP
      lv_code2    := lv_code || lpad(to_char(lv_num + i), 4, 0);
      lv_codelist := lv_codelist || lv_code2 || ',';
    
      --保存
      lr_rows.k_id            := longimes.lj_mes_qp_tackle_s.nextval;
      lr_rows.organization_id := lv_org;
      lr_rows.tackle_num      := lv_code2;
      lr_rows.status          := 'VALID';
      lr_rows.tackle_name     := '托';
      INSERT INTO longimes.LJ_MES_QP_TACKLE VALUES lr_rows;
    END LOOP;
    RETURN lv_codelist;
  END;