摘要：使用EF的时候映射数据的时候，出现了下面的问题。如图：错误的提示为：Model compatibility cannot be checked because the database does not contain model metadata.Model compatibility can only be checked for databases created using Code First or Code First Migrations.解决方法：USE [master]GO/****** Object: Database [DBname] ******/ ALTER DATA 阅读全文