public static void sendMessage(){           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{//TODOscope.Complete();}catch (Exception ex) {throw new Exception(ex.Message);}finally{//释放资源scope.Dispose();}                               }}

namespace System.Transactions
{//// Summary://     Specifies the isolation level of a transaction.public enum IsolationLevel{//// Summary://     Volatile data can be read but not modified, and no new data can be added during the transaction.可读取但不可修改易失性数据，并且在此过程中不能添加新数据交易。Serializable = 0,//// Summary://     Volatile data can be read but not modified during the transaction. New data can be added during the transaction.在事务期间可以读取但不能修改易失性数据。新数据可以在事务处理期间添加。RepeatableRead = 1,//// Summary://     Volatile data cannot be read during the transaction, but can be modified.事务期间无法读取易失性数据，但可以对其进行修改。ReadCommitted = 2,//// Summary://     Volatile data can be read and modified during the transaction.在事务期间可以读取和修改易失性数据。ReadUncommitted = 3,//// Summary://     Volatile data can be read. Before a transaction modifies data, it verifies if//     another transaction has changed the data after it was initially read. If the//     data has been updated, an error is raised. This allows a transaction to get to//     the previously committed value of the data.可以读取易失性数据。在事务修改数据之前，它会验证另一个事务在最初读取数据后更改了数据。如果数据已更新，出现错误。这使得事务可以到达以前提交的数据值。Snapshot = 4,//// Summary://     The pending changes from more highly isolated transactions cannot be overwritten.无法覆盖来自高度隔离事务的挂起更改。Chaos = 5,//// Summary://     A different isolation level than the one specified is being used, but the level cannot be determined. An exception is thrown if this value is set.正在使用与指定隔离级别不同的隔离级别，但无法确定。如果设置了此值，则会引发异常。Unspecified = 6}
}