public async Task <JsonResult> SubmitCheckout() { try { string url = GlobalVariable.url + "getcustomer/" + HttpContext.User.Identity.Name; string json = await new GlobalVariable().GetApiAsync(url); var customer = JsonConvert.DeserializeObject <CUSTOMER>(json); var order = new ORDER() { CustomerID = customer.CustomerID, Total = await GetTotal() }; using (var client = new HttpClient()) { client.BaseAddress = new Uri("https://localhost:44337/api/"); var postTask = client.PostAsJsonAsync <ORDER>("addorder", order); postTask.Wait(); var result = postTask.Result; if (result.IsSuccessStatusCode) { var orderjson = await result.Content.ReadAsStringAsync(); var orderdetail = new OrderDetailDao(); foreach (var item in (List <CartSession>)Session["cart"]) { _ = await orderdetail.AddOrderDetailProc(int.Parse(orderjson), item.ProductID, item.SizeID, item.Quantity); } Session["cart"] = null; return(Json(new { Success = true, ID = order }, JsonRequestBehavior.AllowGet)); } } return(Json(new { Success = false }, JsonRequestBehavior.AllowGet)); } catch { return(Json(new { Success = false }, JsonRequestBehavior.AllowGet)); } }