Description:
- generally online payment gateway flow as
follows.
- When customers are ready to pay, they enter their
payment information and click the payment button on your website.
- The payment gateway encrypts data and securely sends it
through the payment processing network.
- The transaction is reviewed for authorization or
decline, and the results are sent back through the Payflow payment
gateway.
- Your customer receives a confirmation receipt and you
fulfill the order.
- Once the transaction is processed, funds are
transferred from the customer’s bank account to your merchant bank
account.
So
now, how to integrate onsite citrus payment integration in asp.net with c#.
Pre requisites :
- Citrus Account
- Vanity Url
- Security creadentials
Login
to sandbox (in case of Testing) or production (in
case of Live) using the user ID and password received from Citruspay.
How to Get Vanity URL :
After login
to your citrus account and go to checkout page setting tab in right panel.
How to Get Security Credentials :
Payment Request Parameters :
Before
go further please make sure your payment paramters as per below
discription.
1.
Create a sample request page to post a transaction request to citrus. (Refer
PaymentRedirect.aspx Page.)
2. Create a sample response page to receive the response on your website.(Refer PaymentRespose.aspx page)
2. Create a sample response page to receive the response on your website.(Refer PaymentRespose.aspx page)
Once
user click on Make payment button redirect them to PaymentRedirect.aspx
with your session variables.
Create
a sample request page to post a transaction request to citrus.
Page:
PaymentRedirect.aspx
PaymentRedirect.aspx:
<%@ Page Language="C#"
AutoEventWireup="true" CodeFile="PaymentRedirect.aspx.cs"
Inherits="PaymentRedirect" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD
XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Payment Redirect</title>
<script type="text/javascript">
function myfunc() {
var frm = document.all("formpayment");
frm.submit();
}
window.onload = myfunc;
</script>
</head>
<body>
<table class="divWaiting" width="100%">
<tr>
<td height="200px">
</td>
</tr>
<tr>
<td align="center">
<img alt="Processing"
src="Images/updateprogress.gif" />
</td>
</tr>
<tr>
<td align="center"
style="color:
black; font-family: Calibri; font-size: 22px;">
Please wait while we are redirect you to payment gateway for
precessing...
<br />
Please do not press <strong>Stop</strong>,
<strong>Back</strong>
or <strong>Refresh</strong>
button or <strong>Close</strong> this window."
</td>
</tr>
</table>
<form id="formpayment" method="post"
action="<%=formPostUrl%>">
<input type="hidden" id="merchantTxnId"
name="merchantTxnId" value="<%=merchantTxnId%>" />
<input type="hidden" id="orderAmount"
name="orderAmount" value="<%=orderAmount%>" />
<input type="hidden" id="currency"
name="currency" value="<%=currency%>" />
<input type="hidden" name="returnUrl"
value="<%=returnUrl %>" />
<input type="hidden" id="notifyUrl"
name="notifyUrl" value="<%=notifyUrl%>" />
<input type="hidden" id="secSignature"
name="secSignature" value="<%=securitySignature%>"
/>
</form>
</body>
</html>
PaymentRedirect.aspx.cs :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data;
using System.Net;
using System.Text;
using System.IO;
public partial class PaymentRedirect :
System.Web.UI.Page
{
LogErrorToLogFile logFile = new LogErrorToLogFile();
protected string formPostUrl = "";
protected string currency = "";
protected string returnUrl = "";
protected string notifyUrl = "";
protected string merchantTxnId = "";
protected string secret_key = "";
protected
string vanityUrl = "";
protected string orderAmount = "0.00";
protected string securitySignature = "";
protected void Page_Load(object sender, EventArgs e)
{
try
{
//Get All Payment Related Details from
Database server. or set details in
web.config file.
DataTable dtPaymentInformation = null;
DevCommon.Select("SPSelectApplicationPaymentDetailByApplicationFormId",
ref dtPaymentInformation,
Convert.ToInt64(Session["ApplicationFormId"]));
if (dtPaymentInformation != null &&
dtPaymentInformation.Rows.Count > 0)
{
currency =
Convert.ToString(dtPaymentInformation.Rows[0]["currency"]);
returnUrl = Convert.ToString(dtPaymentInformation.Rows[0]["returnUrl"]);
notifyUrl =
Convert.ToString(dtPaymentInformation.Rows[0]["notifyUrl"]);
// Will provide unique for every request to citrus.
merchantTxnId = Convert.ToString(Session["TransactionReferenceNo"]);
secret_key =
Convert.ToString(dtPaymentInformation.Rows[0]["secret_key"]);
vanityUrl =
Convert.ToString(dtPaymentInformation.Rows[0]["vanityUrl"]);
formPostUrl = "https://www.citruspay.com/" + vanityUrl;
orderAmount =
Convert.ToString(dtPaymentInformation.Rows[0]["AdminCharges"]);
// For testing we have set order amount 1
rupees.
orderAmount = "1";
}
else
{
Response.Redirect("Default.aspx");
}
string data = vanityUrl + orderAmount + merchantTxnId + currency;
System.Security.Cryptography.HMACSHA1 myhmacsha1 = new
System.Security.Cryptography.HMACSHA1(Encoding.ASCII.GetBytes(secret_key));
System.IO.MemoryStream stream = new
System.IO.MemoryStream(Encoding.ASCII.GetBytes(data));
securitySignature =
BitConverter.ToString(myhmacsha1.ComputeHash(stream)).Replace("-",
"").ToLower();
}
catch (Exception ex)
{
logFile.LogError(ex);
return;
}
}
}
Create
a sample response page to receive the response on your website.
Create Page PaymentRespose.aspx and paste below code in .cs
file.
PaymentRespose.aspx.cs:
PaymentRespose.aspx.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Configuration;
public partial class PaymentResponse :
System.Web.UI.Page
{
LogErrorToLogFile logFile = new LogErrorToLogFile();
string txnId = "";
protected void Page_Load(object sender, EventArgs e)
{
try
{
string data = "";
txnId = Request["TxId"];
string TxRefNo = Request["TxRefNo"];
string txnStatus = Request["TxStatus"];
string amount = Request["amount"];
string TxMsg = Request["TxMsg"];
string pgTxnId = Request["pgTxnNo"];
string issuerRefNo = Request["issuerRefNo"];
string authIdCode = Request["authIdCode"];
string firstName = Request["firstName"];
string lastName = Request["lastName"];
string pgRespCode =
Request["pgRespCode"];
string zipCode = Request["addressZip"];
string resSignature = Request["signature"];
bool flag = true;
if (txnId != null)
{
data += txnId;
}
if (txnStatus != null)
{
data += txnStatus;
}
if (amount != null)
{
data += amount;
}
if (pgTxnId != null)
{
data += pgTxnId;
}
if (issuerRefNo != null)
{
data += issuerRefNo;
}
if (authIdCode != null)
{
data += authIdCode;
}
if (firstName != null)
{
data += firstName;
}
if (lastName != null)
{
data += lastName;
}
if (pgRespCode != null)
{
data += pgRespCode;
}
if (zipCode != null)
{
data += zipCode;
}
// Get a secret key from web.config or database server.
//string secret_key = ConfigurationManager.AppSettings["secret_key"].ToString();
DataTable dtPaymentInfo = null;
string secret_key = "";
DevCommon.Select("SPSelectApplicationPaymentDetailByTxId",
ref dtPaymentInfo,
Convert.ToString(txnId));
if (dtPaymentInfo != null &&
dtPaymentInfo.Rows.Count > 0)
{
secret_key =
Convert.ToString(dtPaymentInfo.Rows[0]["secret_key"]);
}
System.Security.Cryptography.HMACSHA1 myhmacsha1 = new
System.Security.Cryptography.HMACSHA1(
System.Text.Encoding.ASCII.GetBytes(secret_key));
System.IO.MemoryStream stream = new
System.IO.MemoryStream(System.Text.Encoding.ASCII.GetBytes(data));
string signature =
BitConverter.ToString(myhmacsha1.ComputeHash(stream)).Replace("-",
"").ToLower();
if (resSignature != null && !signature.Equals(resSignature))
{
flag = false;
}
if (flag)
{
DataTable datatable = null;
object[] objPara = new object[14];
objPara[0] = Convert.ToInt32(Session["ApplicationFormId"]);
objPara[1] = txnId;
objPara[2] = TxRefNo;
objPara[3] = txnStatus;
objPara[4] = amount;
objPara[5] = TxMsg;
objPara[6] = pgTxnId;
objPara[7] = issuerRefNo;
objPara[8] = authIdCode;
objPara[9] = firstName;
objPara[10] = lastName;
objPara[11] = pgRespCode;
objPara[12] = zipCode;
objPara[13] = signature;
//
Update transaction status in database and make sure your database
//amount
and tansaction amount both are same while update transaction
//status(eg. SUCCESS).
DevCommon.InsertUpdate("SPUpdatePaymentDetails", ref
datatable, objPara);
if (datatable != null && datatable.Rows.Count > 0 &&
Convert.ToInt64(datatable.Rows[0][0])
> 0)
{
// after successful update redirect to
payment receipt for payment details.
//create payment reciept
page as your requirement.
Response.Redirect("PaymentReceipt.aspx?txnId="
+
EncryptDecrypt.Encrypt(Convert.ToString(txnId),
"P@ssw0rd"),false);
}
}
else
{
Response.Redirect("default.aspx");
}
}
catch (Exception ex)
{
// mail to Admin if fail to update status in database and redirect
// to another page.
Response.Redirect("default.aspx");
}
}
}
Hi,
ReplyDeleteIt Shows an Error
DevCommon Like the name 'DevCommon' does not exist in current context.
i am also getting same error
Deleteplease check the code proper.
Delete