Unable to update the EntitySet 'Users' because it has a DefiningQuery and no <InsertFunction> element exists in the <ModificationFunctionMapping> element to support the current operation.
检查该 Entity 对应的 表是否没有主键，设置表的主键，确保Entity的主键和表的主键一致
posted on
2009-11-26 19:17湛然常寂
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