TransactionScope 分布式事务

  /// 发送消息
         ///</summary>
        ///<param name="sendUserId"></param>
        ///<param name="toUser">格式7FFA3AF2-E74B-4174-8403-5010C53E49A7|userName,7FFA3AF2-E74B-4174-8403-5010C53E49A7|userName</param>
        ///<param name="content"></param>
        ///<param name="sendedStatus">表示已送</param>
        ///<returns></returns>
        publicstaticint sendMessage(string sendUserId, string toUser, string content, string sendedStatus)
        {          
            int receiveCount =0;
            TransactionOptions transactionOption =new TransactionOptions();

            //设置事务隔离级别
            transactionOption.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;

            // 设置事务超时时间为60秒
            transactionOption.Timeout =new TimeSpan(0, 0, 60);

            using (TransactionScope scope =new TransactionScope(TransactionScopeOption.Required, transactionOption))
            {
                try
                {
                    //在这里实现事务性工作
     //发送消息
                    insertMessage(sendUserId, toUser, content, sendedStatus);

     //在接收信息表中插入记录
                    receiveCount += insertReceiveMessage(userids[0], sendUserId, content, "0");
                  
                    // 没有错误,提交事务
                    scope.Complete();
                }
                catch (Exception ex) {
                    thrownew Exception("发送信息异常,原因:"+ex.Message);
                }finally{
                    //释放资源
                    scope.Dispose();
                  }                              
            }
            return receiveCount;
        }