public ActionResult NewProduct(ProductsModel model)
        {
            if (ModelState.IsValid)
            {
                model.productimageaddress = "/Images/" + Guid.NewGuid() + ".jpg";
                model.productimagefile.SaveAs(Server.MapPath(model.productimageaddress));

                ProductDAL dal = new ProductDAL();
                int        id  = dal.Addproduct(model);
                ViewBag.msg = "Product Added: " + id;
                ModelState.Clear();
                ViewBag.category = dal.Getcategory();
                return(View());
            }
            else
            {
                ProductDAL dal = new ProductDAL();
                ViewBag.category = dal.Getcategory();
                return(View());
            }
        }