TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {
                try
                {
                    //数据库添加操作
                    //数据库修改操作
                    scope.Complete();
                }
                catch (Exception exp)
                {
                    throw exp;

                }
            }