带有simplemmembership的种子实体框架和带有外键的实体

我试图在我的ContextInitializer类与SimpleMemberships和实体种子实体框架数据库。我的实体有一个指向Users表的外键，如下所示，所以我先填充了我的用户，然后填充了我的实体(事件)，如下面的ContextInitializer类所示。

protected override void Seed(CustomContext context)
{
    WebSecurity.InitializeDatabaseConnection("MyContext", "Users", "UserId", "UserName", autoCreateTables: true);
    seedUsers(context);
    seedEvents(context);
    /* snip */
}
private void seedUsers(CustomContext context)
{
    var roles = (SimpleRoleProvider) Roles.Provider;
    var membership = (SimpleMembershipProvider) Membership.Provider;
    if (!roles.RoleExists("Admin"))
    {
        roles.CreateRole("Admin");
    }
    if (membership.GetUser("test", false) == null)
    {
        membership.CreateUserAndAccount("test", "test");
    }
    if (!roles.GetRolesForUser("test").Contains("Admin"))
    {
        roles.AddUsersToRoles(new[] {"test"}, new[] {"Admin"});
    }
}
private void seedEvents(InviteeContext context)
    {
        var membership = (SimpleMembershipProvider) Membership.Provider;
        events = new List<Event>()
        {
            new Event() { name = "Test 1", owner_id = membership.GetUserId("test")},
            new Event() { name = "Test 2", owner_id = membership.GetUserId("test")}
        };
        events.ForEach(p => context.Events.Add(p));
        context.SaveChanges();
    }
}

---

当我如上所示创建事件时，我最终得到了正确的结果events[0].owner_id == 1，我可以看到这在数据库中工作，但是当我去保存它时，我最终得到了外键违反。检查上下文中的Users设置(如下所示)，我可以看到它是空的context.Users.Count() == 0。所以我怀疑要么

• 用户添加略有不同
• 我需要在添加用户后刷新我的上下文(不确定如何做到这一点)
• 我需要创建用户作为一个user类，并将其添加到我的上下文

提前感谢您的帮助，

My Entities are:

用户:

[Table("User")]
public class User
{
    [Key]
    [DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
    public int UserId { get; set; }
    public string UserName { get; set; }
}

事件:

public class Event
{
    [Key]
    [DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
    public int ID { get; set; }
    public int owner_id { get; set; }
    [ForeignKey("owner_id")]
    public virtual User owner { get; set; }
    /* Snip */
}

My Context看起来像这样:

public class CustomContext : DbContext
{
    public CustomContext()
        : base("name=MyContext")
    {
    }
    public DbSet<Event> Events { get; set; }
    public DbSet<User> Users { get; set; }
    /* Snip */
}

WebSecurity.InitializeDatabaseConnection("MyContext", "Users", "UserId", "UserName", autoCreateTables: true);

[Table("User")]
public class User
{
    [Key]
    [DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
    public int UserId { get; set; }
    public string UserName { get; set; }