public ActionResult Checkout()
{
PayPalExpressCheckout pp = new PayPalExpressCheckout(API_UserName, API_Password, API_Signature, isTestingMode);
List<PayPalExpressCheckout.PayPalItem> items = new List<PayPalExpressCheckout.PayPalItem>();
PayPalExpressCheckout.PayPalItem item = new PayPalExpressCheckout.PayPalItem();
item.name = "My Digital Product 1";
item.amt = "0.99";
item.qty = "1";
items.Add(item);
//add more for shopping cart
item = new PayPalExpressCheckout.PayPalItem();
item.name = "Product 2";
item.amt = "1.99";
item.qty = "1";
items.Add(item);
float totalAmount = 0;
foreach (PayPalExpressCheckout.PayPalItem i in items)
{
totalAmount += float.Parse(i.amt);
}
string paymentAmount = totalAmount.ToString();
string customField = "trackcode=1&id=2"; //for your self tracking
NameValueCollection nvpResArray = pp.SetExpressCheckoutDG(paymentAmount, currencyCodeType, paymentType, returnURL, cancelURL, items, customField, true, itemCategory);
string ack = nvpResArray.GetValues("ACK").First().ToUpper();
if (ack == "SUCCESS" || ack == "SUCCESSWITHWARNING")
{
string token = nvpResArray.GetValues("TOKEN").First();
//redirect to paypal
if(itemCategory == "Digital")
{
Response.Redirect(pp.PAYPAL_DG_URL + token);
}
else
{
Response.Redirect(pp.PAYPAL_URL + token);
}
}
else
{
//failed
ViewBag.result = nvpResArray;
ViewBag.status = "paypal failed";
}
return View();
}
public ActionResult ReturnPage()
{
string token = Request["token"];
string payerID = Request["PayerID"];
PayPalExpressCheckout pp = new PayPalExpressCheckout(API_UserName, API_Password, API_Signature, isTestingMode);
//get payment info
NameValueCollection res = pp.GetExpressCheckoutDetails(token);
string ack = res.GetValues("ACK").First().ToUpper();
if (ack != "SUCCESS" && ack != "SUCCESSWITHWARNING")
{
ViewBag.status = "paypal failed";
ViewBag.result = res;
return View("ReturnPage");
}
string finalPaymentAmount = res.GetValues("PAYMENTREQUEST_0_AMT").First();
string paymentType = "Sale";
string currencyCodeType = res.GetValues("CURRENCYCODE").First();
string customField = res.GetValues("PAYMENTREQUEST_0_CUSTOM").First();
string payerEmail = res.GetValues("EMAIL").First();
string payerFirstName = res.GetValues("FIRSTNAME").First();
string payerLastName = res.GetValues("LASTNAME").First();
string country = res.GetValues("COUNTRYCODE").First();
List<PayPalExpressCheckout.PayPalItem> items = new List<PayPalExpressCheckout.PayPalItem>();
List<string> itemsNameList = new List<string>();
int itemNumber = 0;
while (res.GetValues("L_PAYMENTREQUEST_0_NAME" + itemNumber.ToString()) != null)
{
PayPalExpressCheckout.PayPalItem item = new PayPalExpressCheckout.PayPalItem();
item.name = res.GetValues("L_PAYMENTREQUEST_0_NAME" + itemNumber.ToString()).First();
item.amt = res.GetValues("L_PAYMENTREQUEST_0_AMT" + itemNumber.ToString()).First();
item.qty = res.GetValues("L_PAYMENTREQUEST_0_QTY" + itemNumber.ToString()).First();
items.Add(item);
itemsNameList.Add(item.name);
itemNumber++;
}
NameValueCollection result = pp.ConfirmPayment(token, paymentType, currencyCodeType, payerID, finalPaymentAmount, items, customField, Request.ServerVariables["SERVER_NAME"], itemCategory);
ack = result.GetValues("ACK").First().ToUpper();
if (ack == "SUCCESS" || ack == "SUCCESSWITHWARNING")
{
ViewBag.status = "successfully";
string transactionId = result.GetValues("PAYMENTINFO_0_TRANSACTIONID").First();
string currency = result.GetValues("PAYMENTINFO_0_CURRENCYCODE").First();
string orderTime = result.GetValues("PAYMENTINFO_0_ORDERTIME").First();
string amt = result.GetValues("PAYMENTINFO_0_AMT").First();
string feeAmt = result.GetValues("PAYMENTINFO_0_FEEAMT").First();
string taxAmt = result.GetValues("PAYMENTINFO_0_TAXAMT").First();
string paymentStatus = result.GetValues("PAYMENTINFO_0_PAYMENTSTATUS").First();
string pendingReason = result.GetValues("PAYMENTINFO_0_PENDINGREASON").First();
ViewBag.transactionId = transactionId;
ViewBag.amt = amt;
ViewBag.currency = currency;
}
return View();
}