C# LINQ 使用事务删除主从表数据

        /// <summary>
        /// 删除主从表数据
        /// </summary>
        /// <param name="docNo">单据号码</param>
        /// <returns></returns>
        public bool Delete(string docNo)
        {
            try
            {
                _Database.BeginTransaction();

                var master = _Database.GetQueryable<tb_Borrow_Paper>().Where(w => w.BRNO == docNo).FirstOrDefault();
                var details = _Database.GetQueryable<tb_Borrow_Papers>().Where(w => w.BRNO == docNo).ToList();

                int count1 = _Database.Remove<tb_Borrow_Paper>(master);
                int count2 = _Database.Remove<tb_Borrow_Papers>(details);

                _Database.CommitTransaction();

                //保存数据日志
                if (count1 > 0 || count2 > 0)
                    _Log.Log(DataLogType.delete, "Borrow_Paper - 删除成功", nameof(tb_Borrow_Paper), docNo, _Loginer.Account, master, details);

                return count1 + count2 > 0;
            }
            catch (Exception e)
            {
                _Database.RollbackTransaction();
                throw;
            }
        }