public async Task <bool> BuyInstrument(string ticker, float price, int volumen) { if (ticker != null && price > 0 && volumen > 0) { var userName = User.Identity.Name; var user = await userManager.FindByNameAsync(userName); var transDto = new OrderForm() { Ticker = ticker, Price = price, Volumen = volumen, TransactionTime = DateTime.Now, UserId = user.Id, OrderType = OrderType.Buy }; var pricesTask = serviceClient.AcceptTransactionAsync(transDto); return(await pricesTask); } return(false); }