public string RedirectToOnpayMienNam(string codeInvoice, string amount, string ip)
{
//khởi tạo lớp thư viện
VPCRequest conn = new VPCRequest(OnePayProperties.URL_ONEPAY_TEST);
conn.SetSecureSecret(OnePayProperties.HASH_CODE);
//truyền các thông số để chuyển sang cổng onepay
conn.AddDigitalOrderField("AgainLink", OnePayProperties.AGAIN_LINK);
conn.AddDigitalOrderField("Title", "Online Payment With OnePay");
conn.AddDigitalOrderField("vpc_Locale", OnePayProperties.PAYGATE_LANGUAGE);
conn.AddDigitalOrderField("vpc_Version", OnePayProperties.VERSION);
conn.AddDigitalOrderField("vpc_Command", OnePayProperties.COMMAND);
conn.AddDigitalOrderField("vpc_Merchant", OnePayProperties.MERCHANT_ID);
conn.AddDigitalOrderField("vpc_AccessCode", OnePayProperties.ACCESS_CODE);
conn.AddDigitalOrderField("vpc_MerchTxnRef", RandomString());
conn.AddDigitalOrderField("vpc_Currency", "VND");
conn.AddDigitalOrderField("vpc_OrderInfo", codeInvoice);
conn.AddDigitalOrderField("vpc_Amount", amount);
conn.AddDigitalOrderField("vpc_ReturnURL", Url.Action("OnepayResponseMienNam", "OnePay", null, Request.Scheme, null));
//thông tin khách hàng
conn.AddDigitalOrderField("vpc_SHIP_Street01", "");
conn.AddDigitalOrderField("vpc_SHIP_Provice", "");
conn.AddDigitalOrderField("vpc_SHIP_City", "");
conn.AddDigitalOrderField("vpc_SHIP_Country", "");
conn.AddDigitalOrderField("vpc_Customer_Phone", "");
conn.AddDigitalOrderField("vpc_Customer_Email", "");
conn.AddDigitalOrderField("vpc_Customer_Id", "");
conn.AddDigitalOrderField("vpc_TicketNo", ip);
string url = conn.Create3rdPartyQueryString();
return(url);
}
