public void AddLink(string url, int itemId,string username)
        {
            Link link = new Link();

            link.DeadFlags = 0;
            link.ItemId = itemId;
            link.ThumbsUp = 1;
            link.Url = url;
            link.Date = DateTime.Now;
            link.Username = username;

            db.Links.InsertOnSubmit(link);
            db.SubmitChanges();
        }
		private void detach_Links(Link entity)
		{
			this.SendPropertyChanging();
			entity.Item = null;
		}
		private void attach_Links(Link entity)
		{
			this.SendPropertyChanging();
			entity.Item = this;
		}
 partial void DeleteLink(Link instance);
 partial void UpdateLink(Link instance);
 partial void InsertLink(Link instance);