public async Task <IActionResult> Index(CalculateRequest req) { // Convert var result = await _currencyService.CalculateRate(req.FromValue, req.FromCurrencyCode, req.ToCurrnecyCode); // Format the Result ViewData["result"] = $"{req.FromValue} {req.FromCurrencyCode} = {result} {req.ToCurrnecyCode}"; return(Index()); }