public ActionResult Create(Category category, HttpPostedFileBase file)
        {
            if (ModelState.IsValid)
            {
                if (file != null)
                {
                    category.Image = SaveFiles.SaveImageFile(file);
                }

                Market.DbContext.Categories.Add(category);

                try
                {
                    Market.DbContext.SaveChanges();
                }
                catch
                {
                    return View("Error");
                }

                return RedirectToAction("Index", "Home");
            }
            return View(category);
        }
        public ActionResult Edit(Category category, HttpPostedFileBase file)
        {
            if (ModelState.IsValid)
            {
                if (file != null)
                {
                    category.Image = SaveFiles.SaveImageFile(file);
                }
                Market.DbContext.Entry(category).State = EntityState.Modified;
                try
                {
                    Market.DbContext.SaveChanges();
                }
                catch
                {

                    return View("Error");
                }
                return RedirectToAction("Index", "Home");
            }
            return View(category);
        }