public void Seed()
{
    if (!Roles.Any())
    {
        //Role r = new Role();
        //r.RoleName = "User";
        List<Role> roles = new List<Role>
        {
            new Role { RoleName = "Admin" },
            new Role { RoleName = "User" }
        };
        foreach (Role r in roles)
        {
            Roles.Add(r);
        }
        SaveChanges();
    }
    if (!Users.Any())
    {
        User u = new User();
        u.EmailAddress = "this@that.com";
        u.Username = "ortund";
        u.Password = Hashing.CreateHash("P455w@rd");
        u.Role = Roles.Single(r => r.PKey == 1);
        u.PasswordReset = false;
        u.PasswordResetKey = Hashing.CreateKey();

        Users.Add(u);
        SaveChanges();
    }
}