10401订单总数无效ASP.NET C#

Question

我正在编写一个商店应用程序使用ASP.NET(网页形式)和WingtipToys教程从微软开发网。

我有一个问题，当我使用贝宝按钮。我有错误：

10401
Transaction refused because of an invalid argument. See additional error messages for details.
Order total is invalid.

这是代码的一部分，我认为哪里出了问题：

public bool ShortcutExpressCheckout(string amt, ref string token, ref string retMsg)
{
    if (bSandbox)
    {
        pEndPointURL = pEndPointURL_SB;
        host = host_SB;
    }

    string returnURL = "https://localhost:44317/Checkout/CheckoutReview.aspx";
    string cancelURL = "https://localhost:44317/Checkout/CheckoutCancel.aspx";

    NVPCodec encoder = new NVPCodec();
    encoder["METHOD"] = "SetExpressCheckout";
    encoder["RETURNURL"] = returnURL;
    encoder["CANCELURL"] = cancelURL;
    encoder["BRANDNAME"] = "Shop";
    encoder["PAYMENTREQUEST_0_AMT"] = amt;
    encoder["PAYMENTREQUEST_0_ITEMAMT"] = amt;
    encoder["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
    encoder["PAYMENTREQUEST_0_CURRENCYCODE"] = "PLN";

    // Get the Shopping Cart Products
    using (Shop.Logic.ShoppingCartActions myCartOrders = new Shop.Logic.ShoppingCartActions())
    {
        List<ElementKoszyka> myOrderList = myCartOrders.GetCartItems();

        for (int i = 0; i < myOrderList.Count; i++)
        {
            encoder["L_PAYMENTREQUEST_0_NAME" + i] = myOrderList[i].Produkt.nazwa_produkt.ToString();
           // string tmp = Math.Round(myOrderList[i].Produkt.cena, 2).ToString();
           // encoder["L_PAYMENTREQUEST_0_AMT" + i] = Math.Round(myOrderList[i].Produkt.cena, 2).ToString();
            encoder["L_PAYMENTREQUEST_0_AMT" + i] = "22.50";
            encoder["L_PAYMENTREQUEST_0_QTY" + i] = myOrderList[i].ilosc.ToString();
        }
    }

    string pStrrequestforNvp = encoder.Encode();
    string pStresponsenvp = HttpCall(pStrrequestforNvp);

    NVPCodec decoder = new NVPCodec();
    decoder.Decode(pStresponsenvp);

    string strAck = decoder["ACK"].ToLower();
    if (strAck != null && (strAck == "success" || strAck == "successwithwarning"))
    {
        token = decoder["TOKEN"];
        string ECURL = "https://" + host + "/cgi-bin/webscr?cmd=_express-checkout" + "&token=" + token;
        retMsg = ECURL;
        return true;
    }
    else
    {
        retMsg = "ErrorCode=" + decoder["L_ERRORCODE0"] + "&" +
            "Desc=" + decoder["L_SHORTMESSAGE0"] + "&" +
            "Desc2=" + decoder["L_LONGMESSAGE0"];
        return false;
    }
}

总订单已永久分配(22.50)，但仍有问题。

有什么建议吗？

Answer 1

价格被指定为

encoder["L_PAYMENTREQUEST_0_AMT" + i] = "22.50";

也许它应该是这样的

encoder["L_PAYMENTREQUEST_0_AMT" + i] = myOrderList[i].Produkt.nazwa_price.ToString();

Answer 2

好了，问题解决了。我必须在不同的类中将amt更改为decimal。

因此，paypal订单的正确格式是："xx.xx“

Answer 3

如果您的计算机使用十进制komma，则应将您的分配更改为：

encoder["L_PAYMENTREQUEST_0_AMT" + i] = (myOrderList[i].Produkt.nazwa_price.ToString()).Replace(",",".");