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我想从实体框架中获取一个对象,并将其与其所有相关对象一起返回给用户。当我将MergeOption设置为MergeOption.NoTracking时,即使在实体/上下文对象被销毁后,我也会得到第一个相关对象。但是,当我尝试获取相关对象的相关对象时,我收到一个异常,说实体对象不再存在!我尝试在所有被检索的实体上设置MergeOption,但那不起作用。任何想法如何解决这个问题?!这是我的代码:递归应用MergeOption.NoTracking
MyFirstObject myObject;
using (var entities = new MyEntities())
{
entities.MyFirstObject.MergeOption = MergeOption.NoTracking;
entities.MySecondObject.MergeOption = MergeOption.NoTracking;
entities.MyThirdObject.MergeOption = MergeOption.NoTracking;
myObject = entities.MyFirstObject.First();
}
myObject1.MySecondObjects..... // Works fine.
myObject1.MySecondObjects.MyThirdObjects.... // Throw an exception.