public ActionResult Create(CustomerVM customers)
        {
            var file = new CustomPostedFile(customers.Files, customers.FileName);
            var path = Path.Combine(Server.MapPath("~/images/"), file.FileName);

            customers.ImageUrl = "~/images/" + file.FileName;
            var newCustomer = new Customer
            {
                Country  = customers.Country,
                ImageUrl = customers.ImageUrl,
                Name     = customers.Name
            };

            _db.Customers.Add(newCustomer);
            var added = _db.SaveChanges();

            if (added <= 0)
            {
                return(RedirectToAction($"Index"));
            }

            file.SaveAs(path);
            ViewBag.message = "Image added";
            ModelState.Clear();

            return(RedirectToAction($"Index"));
        }
        public ActionResult Edit(CustomerVM customers)
        {
            if (!ModelState.IsValid)
            {
                RedirectToAction("Edit");
            }
            var model = _db.Customers.Find(customers.CustomerID);

            if (customers.Files != null)
            {
                var file = new CustomPostedFile(customers.Files, customers.FileName);
                var path = Path.Combine(Server.MapPath("~/images/"), file.FileName);

                customers.ImageUrl = "~/images/" + file.FileName;

                if (model != null)
                {
                    model.Country  = customers.Country;
                    model.Name     = customers.Name;
                    model.ImageUrl = customers.ImageUrl;

                    _db.Entry(model).State = EntityState.Modified;
                }

                var added    = _db.SaveChanges();
                var oldImage = Request.MapPath(Session["ImageUrl"].ToString());

                if (added <= 0)
                {
                    return(RedirectToAction("Index"));
                }


                var imageExists = System.IO.File.Exists(oldImage);
                if (imageExists)
                {
                    System.IO.File.Delete(oldImage);
                }


                file.SaveAs(path);
            }
            else
            {
                if (model != null)
                {
                    model.Country          = customers.Country;
                    model.Name             = customers.Name;
                    _db.Entry(model).State = EntityState.Modified;
                }

                _db.SaveChanges();
            }

            return(RedirectToAction("Index"));
        }