      public TaskState State { get; set; }

        public Task()
        {
            CreationTime = Clock.Now;
            State = TaskState.Open;
        }

        public Task(string title, string description = null)
            : this()
        {
            Title = title;
            Description = description;
        }
    }

    public enum TaskState : byte
    {
        Open = 0,
        Completed = 1
    }
}</pre>

<ul>
	<li>I derived from ABP&#39;s base <strong> <a href="http://www.aspnetboilerp