用code first映射数据库报错
Introducing FOREIGN KEY constraint 'FK_dbo.Roles_dbo.SubSystems_SubSystemID' on table 'Roles' Introducing FOREIGN KEY
用code first映射数据库报错
Introducing FOREIGN KEY constraint 'FK_dbo.Roles_dbo.SubSystems_SubSystemID' on table 'Roles' Introducing FOREIGN KEY