/// <summary>
        /// 在同一任务中插入多条记录
        /// </summary>
        /// <param name="p">实体父类集合</param>
        /// <returns></returns>
        protected bool TranInsert(List<Parent> listP)
        {
            int res = 0;
            using (DbConnection con = db.CreateConnection())
            {
                con.Open();
                DbTransaction trans = con.BeginTransaction();
                
                try
                {
                    foreach (Parent p in listP)
                    {
                        Hashtable ht = p.MappingTableInfo();
                        if (p.CountFields() > 0)
                        {
                            string table = ht[Constant.STR_DB_TABLE].ToString();
                            string key = GetFields(p, DB_Condition.Key);
                            string value = GetFields(p, DB_Condition.Value);
                            string cmdText = string.Format("INSERT INTO {0}({1}) VALUES({2})", table, key, value);
                            DbCommand cmd = AddArgsReturnCMD(p, cmdText);
                            res = db.ExecuteNonQuery(cmd);
                            ++res;
                        }

                    }
                    trans.Commit();
                }
                catch (Exception ex)
                {
                    trans.Rollback();
                    res = -1;
                    Utility.Logger.Error("插入数据时发生错误:" + ex.Message);
                }
            }
            return res == listP.Count;
        }