<script type="text/javascript">

        var orderid = 0;
        var ObjectState = "Added";

        var $orderdetailstable = {};
        $(document).ready(function () {

            $(‘form‘).submit(function () {
                var token = $(‘[name=__RequestVerificationToken]‘).val();
                var serializedForm = $(this).serialize();
                var actionurl = $(this).attr(‘action‘);

                var orderdetails = $orderdetailstable.bootstrapTable(‘getData‘);

                var newitem = {
                    OrderDetails: orderdetails,

                    Id: orderid,
                    Customer: $(‘#Customer‘, ‘form‘).val(),
                    ShippingAddress: $(‘#ShippingAddress‘, ‘form‘).val(),
                    OrderDate: $(‘#OrderDate‘, ‘form‘).val(),
                    ObjectState: ObjectState
                };
                $.ajax({
                    url: actionurl,
                    type: "POST",
                    dataType: "json",
                    contentType: "application/json; charset=utf-8",
                    data: JSON.stringify(newitem),
                    success: function (result) {
                        if (result.success) {
                            self.location = "/Orders/Index";
                        } else {
                            alert(result.err);
                        }

                    },
                    error: function (result) {
                        console.log(result.statusText + result.responseText);
                        alert(result.statusText + result.responseText);
                    }
                });
                return false;


            });
        });
    </script>

public class OrdersController : Controller
    {
        //private StoreContext db = new StoreContext();
        private readonly IOrderService _orderService;
        private readonly IUnitOfWorkAsync _unitOfWork;

        public OrdersController(IOrderService orderService, IUnitOfWorkAsync unitOfWork)
        {
            _orderService = orderService;
            _unitOfWork = unitOfWork;
        }

        // GET: Orders/Index
        public ActionResult Index()
        {

            var orders = _orderService.Queryable().AsQueryable();
            return View(orders);
        }

        // Get :Orders/PageList
        // For Index View Boostrap-Table load  data 
        [HttpGet]
        public ActionResult PageList(int offset = 0, int limit = 10, string search = "", string sort = "", string order = "")
        {
            int totalCount = 0;
            int pagenum = offset / limit + 1;
            var orders = _orderService.Query(new OrderQuery().WithAnySearch(search)).OrderBy(n => n.OrderBy(sort, order)).SelectPage(pagenum, limit, out totalCount);
            var rows = orders.Select(n => new { Id = n.Id, Customer = n.Customer, ShippingAddress = n.ShippingAddress, OrderDate = n.OrderDate }).ToList();
            var pagelist = new { total = totalCount, rows = rows };
            return Json(pagelist, JsonRequestBehavior.AllowGet);
        }


        // GET: Orders/Details/5
        public ActionResult Details(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Order order = _orderService.Find(id);
            if (order == null)
            {
                return HttpNotFound();
            }
            return View(order);
        }


        // GET: Orders/Create
        public ActionResult Create()
        {
            return View();
        }

        // POST: Orders/Create
        // To protect from overposting attacks, please enable the specific properties you want to bind to, for more details see http://go.microsoft.com/fwlink/?LinkId=317598.
        [HttpPost]
        //[ValidateAntiForgeryToken]
        public ActionResult Create([Bind(Include = "OrderDetails,Id,Customer,ShippingAddress,OrderDate")] Order order)
        {
            if (ModelState.IsValid)
            {
                order.ObjectState = ObjectState.Added;
                foreach (var item in order.OrderDetails)
                {
                    item.OrderId = order.Id;
                    item.ObjectState = ObjectState.Added;
                }
                _orderService.InsertOrUpdateGraph(order);
                _unitOfWork.SaveChanges();
                if (Request.IsAjaxRequest())
                {
                    return Json(new { success = true }, JsonRequestBehavior.AllowGet);
                }
                DisplaySuccessMessage("Has append a Order record");
                return RedirectToAction("Index");
            }

            if (Request.IsAjaxRequest())
            {
                var modelStateErrors = String.Join("", this.ModelState.Keys.SelectMany(key => this.ModelState[key].Errors.Select(n => n.ErrorMessage)));
                return Json(new { success = false, err = modelStateErrors }, JsonRequestBehavior.AllowGet);
            }
            DisplayErrorMessage();
            return View(order);
        }

        // GET: Orders/Edit/5
        public ActionResult Edit(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Order order = _orderService.Find(id);
            if (order == null)
            {
                return HttpNotFound();
            }
            return View(order);
        }

        // POST: Orders/Edit/5
        // To protect from overposting attacks, please enable the specific properties you want to bind to, for more details see http://go.microsoft.com/fwlink/?LinkId=317598.
        [HttpPost]
        //[ValidateAntiForgeryToken]
        public ActionResult Edit([Bind(Include = "OrderDetails,Id,Customer,ShippingAddress,OrderDate")] Order order)
        {
            if (ModelState.IsValid)
            {
                order.ObjectState = ObjectState.Modified;
                foreach (var item in order.OrderDetails)
                {
                    item.OrderId = order.Id;
                    //set ObjectState with conditions
                    if (item.Id <= 0)
                        item.ObjectState = ObjectState.Added;
                    else
                        item.ObjectState = ObjectState.Modified;
                }

                _orderService.InsertOrUpdateGraph(order);

                _unitOfWork.SaveChanges();
                if (Request.IsAjaxRequest())
                {
                    return Json(new { success = true }, JsonRequestBehavior.AllowGet);
                }
                DisplaySuccessMessage("Has update a Order record");
                return RedirectToAction("Index");
            }
            if (Request.IsAjaxRequest())
            {
                var modelStateErrors = String.Join("", this.ModelState.Keys.SelectMany(key => this.ModelState[key].Errors.Select(n => n.ErrorMessage)));
                return Json(new { success = false, err = modelStateErrors }, JsonRequestBehavior.AllowGet);
            }
            DisplayErrorMessage();
            return View(order);
        }

        // GET: Orders/Delete/5
        public ActionResult Delete(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Order order = _orderService.Find(id);
            if (order == null)
            {
                return HttpNotFound();
            }
            return View(order);
        }

        // POST: Orders/Delete/5
        [HttpPost, ActionName("Delete")]
        //[ValidateAntiForgeryToken]
        public ActionResult DeleteConfirmed(int id)
        {
            Order order = _orderService.Find(id);
            _orderService.Delete(order);
            _unitOfWork.SaveChanges();
            if (Request.IsAjaxRequest())
            {
                return Json(new { success = true }, JsonRequestBehavior.AllowGet);
            }
            DisplaySuccessMessage("Has delete a Order record");
            return RedirectToAction("Index");
        }


        // Get Detail Row By Id For Edit
        // Get : Orders/EditOrderDetail/:id
        [HttpGet]
        public ActionResult EditOrderDetail(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            var orderdetailRepository = _unitOfWork.Repository<OrderDetail>();
            var orderdetail = orderdetailRepository.Find(id);

            var orderRepository = _unitOfWork.Repository<Order>();
            var productRepository = _unitOfWork.Repository<Product>();

            if (orderdetail == null)
            {
                ViewBag.OrderId = new SelectList(orderRepository.Queryable(), "Id", "Customer");
                ViewBag.ProductId = new SelectList(productRepository.Queryable(), "Id", "Name");

                //return HttpNotFound();
                return PartialView("_OrderDetailEditForm", new OrderDetail());
            }
            else
            {
                ViewBag.OrderId = new SelectList(orderRepository.Queryable(), "Id", "Customer", orderdetail.OrderId);
                ViewBag.ProductId = new SelectList(productRepository.Queryable(), "Id", "Name", orderdetail.ProductId);

            }
            return PartialView("_OrderDetailEditForm", orderdetail);

        }

        // Get Create Row By Id For Edit
        // Get : Orders/CreateOrderDetail
        [HttpGet]
        public ActionResult CreateOrderDetail()
        {
            var orderRepository = _unitOfWork.Repository<Order>();
            ViewBag.OrderId = new SelectList(orderRepository.Queryable(), "Id", "Customer");
            var productRepository = _unitOfWork.Repository<Product>();
            ViewBag.ProductId = new SelectList(productRepository.Queryable(), "Id", "Name");
            return PartialView("_OrderDetailEditForm");

        }

        // Post Delete Detail Row By Id
        // Get : Orders/DeleteOrderDetail/:id
        [HttpPost, ActionName("DeleteOrderDetail")]
        public ActionResult DeleteOrderDetailConfirmed(int id)
        {
            var orderdetailRepository = _unitOfWork.Repository<OrderDetail>();
            orderdetailRepository.Delete(id);
            _unitOfWork.SaveChanges();
            if (Request.IsAjaxRequest())
            {
                return Json(new { success = true }, JsonRequestBehavior.AllowGet);
            }
            DisplaySuccessMessage("Has delete a Order record");
            return RedirectToAction("Index");
        }



        // Get : Orders/GetOrderDetailsByOrderId/:id
        [HttpGet]
        public ActionResult GetOrderDetailsByOrderId(int id)
        {
            var orderdetails = _orderService.GetOrderDetailsByOrderId(id);
            if (Request.IsAjaxRequest())
            {
                return Json(orderdetails.Select(n => new { OrderCustomer = n.Order.Customer, ProductName = n.Product.Name, Id = n.Id, ProductId = n.ProductId, Qty = n.Qty, Price = n.Price, Amount = n.Amount, OrderId = n.OrderId }), JsonRequestBehavior.AllowGet);
            }
            return View(orderdetails);

        }


        private void DisplaySuccessMessage(string msgText)
        {
            TempData["SuccessMessage"] = msgText;
        }

        private void DisplayErrorMessage()
        {
            TempData["ErrorMessage"] = "Save changes was unsuccessful.";
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                //_unitOfWork.Dispose();
            }
            base.Dispose(disposing);
        }
    }