There is already an open DataReader associated with this Connection which must be closed first EF

There is already an open DataReader associated with this Connection which must be closed first EF

废话不多说，直接上图，及解决办法。不过问题还不是太清楚到底为什么会出现这个情况。。。。。。。。。。

There is already an open DataReader associated with this Connection which must be closed first EF - 石頭 - 納億攆，我們讀層揍過

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原文地址：https://www.cnblogs.com/shihao316558512/p/9737050.html