it has a DefiningQuery and no InsertFunction element exists in the ModificationFunctionMapping element to support the current op

it has a DefiningQuery and no InsertFunction element exists in the ModificationFunctionMapping element to support the current operation.

 

 

我在使用Entity Data Model做主从表添加数据的时候,发生标题的错误异常,然后检查了一下数据库表的定义,发现OrderDetail表中为设置主键。

 

请检查数据库的表中是否设置主键,是否是自增长ID。

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