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我想從實體框架中獲取一個對象,並將其與其所有相關對象一起返回給用戶。當我將MergeOption設置爲MergeOption.NoTracking時,即使在實體/上下文對象被銷燬後,我也會得到第一個相關對象。但是,當我嘗試獲取相關對象的相關對象時,我收到一個異常,說實體對象不再存在!我嘗試在所有被檢索的實體上設置MergeOption,但那不起作用。任何想法如何解決這個問題?!這是我的代碼:遞歸應用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.