public ActionResult Create(string Author, string Tittle, string imagebase64, HttpPostedFileBase file)
        {
            try
            {
                SketchModel model = new SketchModel();
                //sets date
                

                model.Author = Author;
                model.Tittle = Tittle;
                model.Image = imagebase64;
                model.Created = model.Changed = DateTime.Now;

                service.Add(model);
                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }
        }
        public ActionResult Edit(int id, FormCollection collection)
        {
            try
            {
                // TODO: Add update logic here

                SketchModel model = new SketchModel();
                service.Update(model);
 
                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }
        }