保存前对同一对象多次调用 DataServiceContext.UpdateObject
如果您对某个对象调用 DataServiceContext.UpdateObject 方法、更新该对象（例如更改属性）、再次对其调用 DataServiceContext.UpdateObject 方法并最终保存，会发生什么情况？
我最近跟踪了一个奇怪的错误，看起来这就是罪魁祸首，尽管我仍然不明白它实际上在做什么。保存将失败，重试将执行另一个 UpdateObject（通常数据略有不同）。有没有办法“清除”保存之前发生的任何先前更新？
What happens if you call the DataServiceContext.UpdateObject method on an object, update that object (say, change a property), call the DataServiceContext.UpdateObject method on it again and finally save?
I recently tracked a weird bug and it looks like that was the culprit although I still don't understand what it was actually doing. The save would fail and retrying was performing another UpdateObject (usually with slightly different data). Is there a way to "clear" any previous updates that have occurred before a save?
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