public bool PostNewBlog(Travelogue travelogue)
        {
            var context = new SiemensDBEntities();

            context.Travelogues.Add(travelogue);
            context.SaveChanges();
            return(true);
        }
        public List <Travelogue> GetAll()
        {
            var context = new SiemensDBEntities();

            return(context.Travelogues.ToList());
        }