EntityType 'BookInfo' has no key defined. Define the key for this EntityType

EntityType 'BookInfo' has no key defined. Define the key for this EntityType

EntityType 'BookInfo' has no key defined. Define the key for this EntityType

建的模型需要有PK主关键字,默认为’Id’或者‘实体名Id'，如果PK不是这两个，要先添加[Key]到PK上方。

具体查看本博客文章：http://www.cnblogs.com/llk8/category/545808.html

posted on 2014-01-04 16:30 llk8 阅读( ...) 评论( ...) 编辑 收藏

转载于:https://www.cnblogs.com/llk8/p/3505009.html