public class Message
    {
        public int MessageId { get; set; }
        public int MessageContainerId { get; set; }


        [Required(ErrorMessage = "Du kan ikke sende en tom besked")]
        [Display(Name = "Besked")]
        public String MessageText { get; set; }
        [Required(ErrorMessage = "Beskeden skal have et emne")]
        [Display(Name = "Emne")]
        public String MessageSubject { get; set; }


        public DateTime DateSent { get; set; }
        public bool isRead { get; set; }





        public virtual User Sender { get; set; }
        public virtual User Reciever { get; set; }



    }


   public class MessageContainer
    {

        public int MessageContainerId { get; set; }
        public int UserID { get; set; }


        public virtual ICollection<Message> Messages { get; set; }

    }