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try
{
DeviceInfo di = new DeviceInfo();
di.Qq = "111";
di.UpdatedTime = DateTime.Now;
di.Save();
DeviceInfo di2 = new DeviceInfo();
di.UpdatedTime = DateTime.Now;
di2.Qq = "111333";
di2.Save();
tran.Complete();//提交事务
}
catch (Exception e)
{
}
finally
{
tran.Dispose();//回滚事务
}