public ActionResult Create(Order order )
        {
            if (ModelState.IsValid)
            {
                db.Orders.Add(order);
                db.SaveChanges();
                ViewBag.CustomerId = new SelectList(db.Customers, "CustomerId", "Name");
                ViewBag.ProductId = new SelectList(db.Products, "ProductId", "Name");
                ViewBag.ProductUnitId = new SelectList(db.ProductUnits, "ProductUnitId","Name");
                return View(order);
            }

            ViewBag.CustomerId = new SelectList(db.Customers, "CustomerId", "Name");
            ViewBag.CustomerTypeId = new SelectList(db.CustomerTypes, "CustomerTypeId", "Name");
            return View(order);
        }
        public ActionResult Govalidate(FormCollection collection,Order order)
        {
            try
            {
                // TODO: Add insert logic here

                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }
        }