我正在創建一個自定義表並使用標識。我有一個向這個表添加行的上下文。如何解決實體框架驗證錯誤?
代碼:
public class UserRoleAccess
{
[Key]
public string Id { get; set; }
public string UserRoleId { get; set; }
[ForeignKey("Id")]
public virtual ApplicationRole ApplicationRole { get; set; }
public bool IsActive { get; set; }
public string Name { get; set; }
public int UserRoleAccessType { get; set; }
}
分貝上下文:
public class UserRoleAccessContext : DbContext
{
public UserRoleAccessContext() : base("DMConnection")
{
Database.SetInitializer<PersonContext>(null);
Configuration.LazyLoadingEnabled = false;
Configuration.ProxyCreationEnabled = false;
}
public static UserRoleAccessContext Create()
{
return new UserRoleAccessContext();
}
public DbSet<UserRoleAccess> UserRoleAccess { get; set; }
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
//modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
// IMPORTANT: we are mapping the entity User to the same table as the entity ApplicationUser
//modelBuilder.Entity<IdentityUserLogin>().ToTable("Users").HasKey(e => e.UserId);
}
public DbQuery<T> Query<T>() where T : class
{
return Set<T>();
}
}
綁定:
protected override void OnModelCreating(System.Data.Entity.DbModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
modelBuilder.Entity<ApplicationUser>().HasRequired(p => p.Person)
.WithMany(b => b.Users);
modelBuilder.Entity<ApplicationUser>().HasRequired(p => p.Person)
.WithMany(b => b.Users)
.HasForeignKey(p => p.PersonId);
modelBuilder.Entity<UserRoleAccess>().HasRequired(p => p.ApplicationRole)
.WithMany(b => b.UserRoleAccess);
modelBuilder.Entity<UserRoleAccess>().HasRequired(p => p.ApplicationRole)
.WithMany(b => b.UserRoleAccess)
.HasForeignKey(p => p.UserRoleId);
}
執行該代碼時,我得到一個錯誤:
public static void CreateUserRoleAccess(string name, int type, string id)
{
var userAccessContext = new UserRoleAccessContext();
var userRoleAccess = new UserRoleAccess();
userRoleAccess.UserRoleId = id;
userRoleAccess.IsActive = true;
userRoleAccess.UserRoleAccessType = type;
userRoleAccess.Name = name;
userAccessContext.UserRoleAccess.Add(userRoleAccess);
}
錯誤:
One or more validation errors were detected during model generation:
Project.Models.IdentityUserRole: : EntityType 'IdentityUserRole' has no key defined. Define the key for this EntityType. IdentityUserRoles: EntityType: EntitySet 'IdentityUserRoles' is based on type 'IdentityUserRole' that has no keys defined.
我認爲我缺少具有約束力的地方,但我想不通的地方?編輯: 我改變了UserRoleAccess類。我改變了編號從字符串到長 我在TSQL
INSERT INTO UserRoleAccess (UserRoleId,IsActive, Name, UserRoleAccessType) VALUES('e5b2e76a-a106-4076-b219-6987411995e7', 1, 'TEST', 1)
它的工作嘗試這個。雖然我可是從我的應用程序運行時,它仍然得到同樣的錯誤
EDIT 2 在我的綁定添加了這個:
modelBuilder.Entity<IdentityRole>().HasKey<string>(r => r.Id);
modelBuilder.Entity<IdentityUserRole>().HasKey(r => new { r.RoleId, r.UserId });
還是一樣的結果
它說你的類'Project.Models.IdentityUserRole'不具有關鍵定義。你能展示班級定義嗎? –
它是內置的類:https://msdn.microsoft.com/en-us/library/dn613252(v=vs.108).aspx – ThunD3eR
[用戶在實體類型MVC5 EF6](http:///stackoverflow.com/questions/19913447/user-in-entity-type-mvc5-ef6) –