string serviceUrl = "http://sp-test.innova.com.tr/{Bank}/MpiWeb/MPI_Enrollment.aspx";

var paymentManager = new PayFlex.Client.PaymentManager();

var threedRequest = new PayFlex.Client.MpiRequest()
{
    MerchantId = "000000000006528",
    MerchantPassword = "123456",
    ServiceUrl = serviceUrl,
    CreditCard = new CreditCard
    {
        Pan = "4938410160702981",
        CVV = "243",
        ExpireMonth = "03",
        ExpireYear = "24",
        BrandName = BrandName.Visa,
        CardHolderIp = "190.20.13.12"
    },
    Currency = Currency.TRY,
    VerifyEnrollmentRequestId = "000001",
    SessionInfo = "243",
    PurchaseAmmount = (decimal)10.01              

};
var result = paymentManager.PostProcess(threedRequest);

XmlRootAttribute xRoot = new XmlRootAttribute();
xRoot.ElementName = "IPaySecure";
xRoot.IsNullable = true;
string cleanXml = Regex.Replace(result.Response, @"<[a-zA-Z].[^(><.)]+/>", new MatchEvaluator(RemoveText));
MemoryStream memoryStream = new MemoryStream((new UTF8Encoding()).GetBytes(cleanXml));
XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8);
XmlSerializer xmlSerialize = new XmlSerializer(typeof(MPIResponse), xRoot);
var mpiResponse = (MPIResponse)xmlSerialize.Deserialize(memoryStream);

//3D enrollment satış işlem sayfası
var threedPage = mpiResponse.ThreedHTMLPage();

string serviceUrl = "https://sp-test.innova.com.tr/{Bank}/VposWeb/v3/Vposreq.aspx";

var paymentManager = new PayFlex.Client.PaymentManager();

var vposRequest = new PayFlex.Client.VposRequest()
{
     MerchantId = "655500056",
     Password = "123456",
     TerminalNo = "1",
     TransactionType = TransactionType.Sale,
     ServiceUrl = serviceUrl,
     TransactionId = "b2d71cc5-d242-4b01-8479-d56eb8f74d7c", // opsiyonel
     CurrencyAmount = (decimal)10.00,
     CurrencyCode = Currency.TRY,
     CreditCard = new CreditCard
     {
     	Pan = "4543600299100712",
        CVV = "454",
        ExpireMonth = "11",
        ExpireYear = "2016",
        CardHolderIp = "190.20.13.12"
       },
       ECI = "05", //opsiyonel(TransactionDeviceSource 0 ise zorunlu, 1 ise, olmamalı) 
       CAVV = "asfa435redf", //opsiyonel(TransactionDeviceSource 0 ise zorunlu, 1 ise, olmamalı) 
       ExpSign = "131132451234314132", //opsiyonel --> BKM Ekspress işlemleri için, BKM Express ExpSign değeri bu alanda gönderilebilir. 
       OrderId = "z2d71cc5-d242-4b01-8479-d56eb8f74d7c", //opsiyonel
       Location = "1",
       Extract = "090020304", //opsiyonel
       DeviceType = DeviceType.Windows,
       TransactionDeviceSource = TransactionDeviceSource.ECommerce, //opsiyonel
};

var result = paymentManager.PostProcess(vposRequest);

XmlRootAttribute xRoot = new XmlRootAttribute();
xRoot.ElementName = "VposResponse";
xRoot.IsNullable = true;
string cleanXml = Regex.Replace(result.Response, @"<[a-zA-Z].[^(><.)]+/>", 
new MatchEvaluator(RemoveText));

MemoryStream memoryStream = new MemoryStream((new UTF8Encoding()).GetBytes(cleanXml));
XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8);

XmlSerializer xmlSerialize = new XmlSerializer(typeof(VPosResponse), xRoot);
var vposResponse = (VPosResponse)xmlSerialize.Deserialize(memoryStream);

//Satış İptal
string serviceUrl = "https://sp-test.innova.com.tr/VAKIFBANK_V4/VposWeb/v3/Vposreq.aspx";

var vposRequest = new PayFlex.Client.VposRequest()
{
    PaymentType = PaymentType.VPosCancellationRefund,
    MerchantId = "655500056",
    Password = "123456",                
    TransactionType = TransactionType.Cancel,
    ServiceUrl = serviceUrl,
    ReferenceTransactionId = "b2d71cc5-d242-4b01-8479-d56eb8f74d7c", // opsiyonel
    ClientIp = "127.0.0.1",
    Location = "1",
    DeviceType = DeviceType.Android                
};

var result = _paymentManager.PostProcess(vposRequest);

//Satış İade
var vposRefundRequest = new PayFlex.Client.VposRequest()
{
    PaymentType = PaymentType.VPosCancellationRefund,
    MerchantId = "655500056",
    Password = "123456",
    CurrencyAmount = (decimal)90.50,
    CurrencyCode = Currency.TRY,
    TransactionType = TransactionType.Refund,
    ServiceUrl = serviceUrl,
    ReferenceTransactionId = "b2d71cc5-d242-4b01-8479-d56eb8f74d7c", // opsiyonel
    ClientIp = "127.0.0.1",
    Location = "1",
    DeviceType = DeviceType.Android
};

var resultRefund = _paymentManager.PostProcess(vposRefundRequest);

string serviceUrl = "https://sp-test.innova.com.tr/{Bank}/CPTest";

string cpPageUrl = "https://sp-test.innova.com.tr/{Bank}/CPWeb/SecurePayment?Ptkn={0}&RequestPage=Payment";

var paymentManager = new PayFlex.Client.PaymentManager();            

var commonPaymentRequest = new PayFlex.Client.CommonPaymentRequest()
{
    ServiceUrl = serviceUrl,
    TransactionId = Guid.NewGuid().ToString(),
    HostMerchantId = "000000000006528",
    MerchantPassword = "123456",
    HostTerminalId = "VP000095",
    OrderId = "cptest20140814o1",
    OrderDescription = "cptest20140814o1",
    Amount = (decimal)1.23,
    AmountCode = Currency.TRY,
    TransactionType = TransactionType.Sale,
    IsSecure = false,
    AllowNotEnrolledCard = false,
    SuccessUrl = "https://sp-test.innova.com.tr/VAKIFBANK_V4/CPTest/Success.aspx",
                FailUrl = "https://sp-test.innova.com.tr/VAKIFBANK_V4/CPTest/Fail.aspx",
     CreditCard = new CreditCard
     {
         Pan = "4402939925637022",
         CVV = "544",
         ExpireMonth = "02",
         ExpireYear = "2023",
         CardHolderIp = "190.20.13.12",
         BrandName = BrandName.Visa
     },
                RequestLanguage = "tr-TR"
    };
 
var result = paymentManager.PostProcess(commonPaymentRequest);

string PaymentTokenNode = "";
string ErrorCodeNode = "";
string ErrorMessageNode = "";


var str = result.Response.Replace("{", "");
result.Response = str.Replace("}", "");
var stringArray = result.Response.Split(',');

if (stringArray.Length == 4)
{
    PaymentTokenNode = stringArray[1].Split(':')[1].Replace(@"""", "");
    ErrorCodeNode = stringArray[2].Split(':')[1].Replace(@"""", "");
    ErrorMessageNode = stringArray[3].Split(':')[1].Replace(@"""", "");
}

cpPageUrl = string.Format(cpPageUrl, PaymentTokenNode);