gServer = "https://onlineodeme.vakifbank.com.tr:4443/VposService/v3/Vposreq.aspx"
                
            postdata = "prmstr=<?xml version=""1.0"" encoding=""UTF-8""?>"
            postdata = postdata &"<VposRequest>"
            postdata = postdata &"<MerchantId>" & MerchantId & "</MerchantId>"
            postdata = postdata &"<Password>" & Password& "</Password>"
            postdata = postdata &"<TerminalNo>" & TerminalNo& "</TerminalNo>"
            postdata = postdata &"<TransactionId>" & MpiTransactionId& "</TransactionId>"
            postdata = postdata &"<TransactionType>" & TransactionType& "</TransactionType>"
            postdata = postdata &"<CurrencyAmount>" & CurrencyAmount& "</CurrencyAmount>"
            postdata = postdata &"<CurrencyCode>" & CurrencyCode& "</CurrencyCode>"
            postdata = postdata &"<Pan>" & Pan& "</Pan>"
            postdata = postdata &"<Cvv>" & Cvv& "</Cvv>"
            postdata = postdata &"<Expiry>" & Expiry& "</Expiry>"
            postdata = postdata &"<ECI>" & ECI& "</ECI>"
            postdata = postdata &"<CAVV>" & CAVV& "</CAVV>"
            postdata = postdata &"<Location>" & Location& "</Location>"
            postdata = postdata &"<DeviceType>" & DeviceType& "</DeviceType>"
            postdata = postdata &"<MpiTransactionId>" & MpiTransactionId& "</MpiTransactionId>"
            postdata = postdata &"<ClientIp>" & ClientIp& "</ClientIp>"
            postdata = postdata &"<TransactionDeviceSource>" & TransactionDeviceSource& "</TransactionDeviceSource>"
            postdata = postdata &"</VposRequest>"

<?xml version="1.0" encoding="utf-8"?><VposResponse><ResultCode>6003</ResultCode><ResultDetail>POX Request Adresine istek yapıyorsunuz. Mesaj Boş Geldi. İstek Xml Mesajını prmstr parametresi ile iletiniz.</ResultDetail></VposResponse>6003-Hatali-POX Request Adresine istek yapıyorsunuz. Mesaj Boş Geldi. İstek Xml Mesajını prmstr parametresi ile iletiniz