业务逻辑层事务

业务逻辑层日志 的操作方法:

1, 添加 引用:     System.Transactions;
2, 添加namespace  using System.Transactions;
3,  using (TransactionScope scope=new TransactionScope())
        {        
            try
            {
                DataAccess.ExecuteNonQuery("update a set c='frank' where b=1");
                if (rlt==true)
                {
                    throw new Exception();
                }
                scope.Complete();//如果成功,则提交数据库,否则,会自动回滚!!!
                Response.Write("success!");
            }
            catch
            {
                rlt=false;
            }
        }