以OrganizationUnit为例,进行扩展,加入IsUse属性
1.建立一个新类,好比ExtendedOrganizationUnit,继承OrganizationUnitc#
public class ExtendedOrganizationUnit: OrganizationUnit { public bool IsUse { get; set; } }
2.把ExtendedOrganizationUnit添加到DbContext里code
public virtual DbSet<ExtendedOrganizationUnit> ExtendedOrganizationUnits { get; set; }
3.使用ef code first迁移命令继承
add-migration add_ExtendedOrganizationUnit_table update-database
成功get