public async Task <ActionResult> Post() { var amount = long.Parse(Request.Form.Get("amount")); var description = Request.Form.Get("description"); var embeddata = NgrokHelper.CreateEmbeddataWithPublicUrl(); var bankcode = Request.Form.Get("bankcode"); var orderData = new OrderData(amount, description, bankcode, embeddata); var order = await ZaloPayHelper.CreateOrder(orderData); var returncode = (long)order["returncode"]; if (returncode == 1) { using (var db = new ZaloPayDemoContext()) { db.Orders.Add(new Models.Order { Apptransid = orderData.Apptransid, Amount = orderData.Amount, Timestamp = orderData.Apptime, Description = orderData.Description, Status = 0 }); db.SaveChanges(); } var orderurl = order["orderurl"].ToString(); Session["orderurl"] = orderurl; Session["QRCodeBase64Image"] = QRCodeHelper.CreateQRCodeBase64Image(orderurl); } else { Session["error"] = true; } return(Redirect("/")); }