背景:
之前项目使用的是DB first/Model first,现在要对EF升级的6.0,并且更换成Code first。
问题:
1. System.Data.Entity.Core.MetadataException: Unable to load the specified metadata resource.
System.ArgumentException: Argument 'xmlReader' is not valid. A minimum of one .ssdl artifact must be supplied.
3. 删除metadata;
System.ArgumentException: Some required information is missing from the connection string. The 'metadata' keyword is always required.
解决方法:
对于code first, connectionstring 跟之前的web form程序里的写法一样;
Reference link: