[英]User in Entity type MVC5 EF6
我在MVC5中創建了一個類,我想要內容的主要所有者,然后我想要一些內容的編輯器:
public class Content
{
public int ID { get; set; }
public IdentityUser Owner { get; set; }
public ICollection<IdentityUser> Editors { get; set; }
public string Title{ get; set; }
public string Body { get; set; }
}
在數據庫上下文中,我有以下代碼:
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Entity<Content>()
.HasOptional(c => c.Editors)
.WithRequired()
.WillCascadeOnDelete();
modelBuilder.Entity<Content>()
.HasRequired(c => c.Owner)
.WithOptional()
.WillCascadeOnDelete();
}
我希望微軟以這種方式實現IdentityUser
對象,它可以在其他實體類型中使用,所以我可能做錯了,因為當我嘗試為Content實體類型創建一個控制器時,我得到了以下錯誤:
EntityType 'IdentityUserLogin' has no key defined
EntityType 'IdentityUserRole' has no key defined
EntityType: EntitySet 'IdentityUserLogins' is based on type 'IdentityUserLogin' that has no key defined
EntityType: EntitySet 'IdentityUserRoles' is based on type 'IdentityUserRole' that has no key defined
我還嘗試將以下代碼添加到ApplicationDbContext
,如本問題中所述在asp.net MVC5 EF6中使用流暢的api映射表? :
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Entity<IdentityUserLogin>().HasKey<string>(l => l.UserId);
modelBuilder.Entity<IdentityRole>().HasKey<string>(r => r.Id);
modelBuilder.Entity<IdentityUserRole>().HasKey(r => new { r.RoleId, r.UserId });
}
我一定做錯了什么。 請告訴我如何處理Content EntityType中的用戶。
我有同樣的問題,我發現我沒有打過電話
base.OnModelCreating(modelBuilder);
在我的DbModel中
以下方法OnModelCreating
將創建工作上下文。 不確定它是否是您想要的映射。
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Entity<Content>()
.HasMany(c => c.Editors)
.WithOptional()
.WillCascadeOnDelete(false);
modelBuilder.Entity<Content>()
.HasRequired(c => c.Owner)
.WithOptional()
.WillCascadeOnDelete(false);
modelBuilder.Entity<IdentityUserLogin>().HasKey<string>(l => l.UserId);
modelBuilder.Entity<IdentityRole>().HasKey<string>(r => r.Id);
modelBuilder.Entity<IdentityUserRole>().HasKey(r => new { r.RoleId, r.UserId });
}
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