mountainsAndSea的博客

错误：The type "xx"cannot be marked as owned because a non-owned entity type with the same name already exists.在映射值对象到数据库表的时候配置错误会报这个错误。[Table(User)]public class User{ public Salary Salary {get; set;} public List<Address> AddressList {get; .

一、表关系一对一 一对多 多对多 Entity： Blog:属性BlogImage BlogImage:属性BlogId;Blog Entity： Blog:属性List<Post>Posts Post:属性Blog，Blog Entity：...

1，新建项目报错。输入ng new myApp : 报错提示operation not permitted。解决办法：npm cache clean –force其他解决办法：删除C:\Users\{账户}\下的.npmrc文件.2，Sqlserver连接报错：18456。修改属性后，选择重新启动。3，No DbContext was found in assembly 'ABPA...