2. 

3. 



8. protected void DoSetEC(object sender, EventArgs e)
{
try
{
caller = new NVPCallerServices();
setProfile(MyProfile, “APIUsername”,”APIPassword”,”APISignature”);
MyCodec["METHOD"] = "SetExpressCheckout";
MyCodec["VERSION"] = “82“;
MyCodec["CANCELURL"] = ”MyCancelURL";
MyCodec["RETURNURL"] = ”MyReturnURL”;
MyCodec["PAYMENTREQUEST_0_CURRENCYCODE"] = "GBP";
MyCodec["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
MyCodec["L_PAYMENTREQUEST_0_NAME0"] = ”Item in my Shopping cart";
MyCodec["L_PAYMENTREQUEST_0_AMT0"] = "24.48";
MyCodec["L_PAYMENTREQUEST_0_QTY0"] = "2”;
MyCodec["PAYMENTREQUEST_0_ITEMAMT"] = "43.96";
MyCodec["PAYMENTREQUEST_0_SHIPPINGAMT"] = "1.50";
MyCodec["PAYMENTREQUEST_0_AMT"] = ”45.46”
caller.Initialize();
caller.APIProfile = MyProfile;
MyNVPRequest = MyCodec.Encode();
MyNVPResponse = caller.Call(MyNVPRequest);
MyRespoCodec.Decode(MyNVPResponse);
if (MyRespoCodec["ACK"] != "Success" && MyRespoCodec["ACK"] != "SUCCESSWITHWARNING")
{ /*display error message*/}
else
{
MyToken = MyRespoCodec["TOKEN"].ToString();
Response.Redirect(@"https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=" + MyToken);
}
}
catch (Exception exp)
{/*sort out exceptions*/}
}

9. protected void DoGetEC(string token, string PayerID)
{
try
{
caller = new NVPCallerServices();
setProfile(MyProfile, “APIUsername”,”APIPassword”,”APISignature”);
MyCodec["METHOD"] = "GetExpressCheckoutDetails";
MyCodec["TOKEN"] = MyToken;
caller.Initialize();
caller.APIProfile = MyProfile;
MyNVPRequest = MyCodec.Encode();
MyNVPResponse = caller.Call(MyNVPRequest);
MyRespoCodec.Decode(MyNVPResponse);
if (MyRespoCodec["ACK"] != "Success" && MyRespoCodec["ACK"] != "SUCCESSWITHWARNING")
{ /*display error message*/}
else
{/*Get information on the buyer and the transaction*/
CollectShippingDetails(MyRespoCodec[”SHIPPTONAME"], MyRespoCodec[”SHIPTOSTREET1"], MyRespoCodec[”SHIPTOSTREET2”], MyRespoCodec[”SHIPTOCITY”],
MyRespoCodec[”SHIPTOPOSTALCODE"], MyRespoCodec[”SHIPTOCOUNTRY"]);
}
}
catch (Exception exp)
{/*sort out exceptions*/}
}

10. protected void DoECPayment(string token, string PayerID)
{
try
{
caller = new NVPCallerServices();
setProfile(MyProfile, “APIUsername”,”APIPassword”,”APISignature”);
MyCodec["METHOD"] = "DoExpressCheckoutPayment";
MyCodec["TOKEN"] = token;
MyCodec["PAYERID"] = PayerID;
MyCodec["PAYMENTACTION"] = "Sale";
MyCodec["CURRENCYCODE"] = “GBP”;
MyCodec["AMT"] = "39.90";
caller.Initialize();
caller.APIProfile = MyProfile;
MyNVPRequest = MyCodec.Encode();
MyNVPResponse = caller.Call(MyNVPRequest);
MyRespoCodec.Decode(MyNVPResponse);
if (MyRespoCodec["ACK"] != "Success" && MyRespoCodec["ACK"] != "SUCCESSWITHWARNING")
{ /*display error message*/}
else
{/*Get information on the payment status*/
TxnID = MyRespoCodec[”TRANSACTIONID"] ;
if (MyRespoCodec[”PAYMENTSTATUS"] != “Completed”)
{/*Handle Incomplete transaction*/}
else {/*Fulfill order*/}
}
}
catch (Exception exp)
{/*sort out exceptions*/}
}

11. ₤
₤
₤
₤

13. protected void DoSetEC(object sender, EventArgs e)
{
try
{
caller = new NVPCallerServices();
setProfile(MyProfile, “APIUsername”,”APIPassword”,”APISignature”);
MyCodec["METHOD"] = "SetExpressCheckout";
MyCodec["VERSION"] = “82“;
MyCodec["CANCELURL"] = ”MyCancelURL";
MyCodec["RETURNURL"] = ”MyReturnURL”;
MyCodec["PAYMENTREQUEST_0_CURRENCYCODE"] = ”USD";
MyCodec["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
MyCodec["PAYMENTREQUEST_0_SELLERID"] = ”paypal@bookit.com”;
MyCodec["L_PAYMENTREQUEST_0_NAME0"] = ”Booking for my hotel";
MyCodec["L_PAYMENTREQUEST_0_AMT0"] = ”423.35";
MyCodec["L_PAYMENTREQUEST_0_QTY0"] = “1”;
MyCodec["PAYMENTREQUEST_0_ITEMAMT"] = ”423.35";
MyCodec["PAYMENTREQUEST_0_AMT"] = ”423.35”
MyCodec["PAYMENTREQUEST_1_CURRENCYCODE"] = ”USD";
MyCodec["PAYMENTREQUEST_1_PAYMENTACTION"] = "Sale”;
MyCodec["PAYMENTREQUEST_1_SELLERID"] = ”paypal@usairlines.com”;
MyCodec["L_PAYMENTREQUEST_1_NAME0"] = ”Plane tickets";
MyCodec["L_PAYMENTREQUEST_1_AMT0"] = ”1348.53";
MyCodec["L_PAYMENTREQUEST_1_QTY0"] = “1”;
MyCodec["PAYMENTREQUEST_1_ITEMAMT"] = ”1348.53";
MyCodec["PAYMENTREQUEST_1_AMT"] = ”1348.53”;
/*Complete API call*/
}
catch
{/*deal with exceptions*/}
}

14. 




15. protected void DoSetEC(object sender, EventArgs e)
{
try
{
caller = new NVPCallerServices();
setProfile(MyProfile, “APIUsername”,”APIPassword”,”APISignature”);
MyCodec["METHOD"] = "SetExpressCheckout";
MyCodec["VERSION"] = “82“;
MyCodec["CANCELURL"] = ”MyCancelURL";
MyCodec["RETURNURL"] = ”MyReturnURL”;
MyCodec["PAYMENTREQUEST_0_CURRENCYCODE"] = ”GBP";
MyCodec["PAYMENTREQUEST_0_PAYMENTACTION"] = "Sale";
MyCodec["PAYMENTREQUEST_0_ITEMAMT"] = ”23.35";
MyCodec["PAYMENTREQUEST_0_AMT"] = ”23.35”
MyCodec["L_BILLINGTYPE0"] = "MerchantInitiatedBilling”;
MyCodec["L_PAYMENTTYPE0"] = "InstantOnly";
MyCodec["L_BILLINGAGREEMENTDESCRIPTION0"] = ”Car Insurance";
MyCodec["L_BILLINGAGREEMENTCUSTOM0"] = "MyTest";
/*Complete API call*/
} catch {/*deal with exceptions*/}
}
protected void StartReferenceTxn(string transactionID)
{
caller = new NVPCallerServices();
setProfile(MyProfile);
MyCodec["METHOD"] = "DoReferenceTransaction";
MyCodec["REFERENCEID"] = transactionID;
MyCodec["PAYMENTACTION"] = "Sale”;
MyCodec["AMT"] = ”39.95”;
MyCodec["CURRENCYCODE"] = "GBP”;
MyCodec["SOFTDESCRIPTOR"] = ”Car Insurance Installment”;
/*Complete API call*/
} catch {/*deal with exceptions*/}
}

22. 




25. <script>
var dg = new PAYPAL.apps.DGFlow({
trigger: "submitBtn”
});
</script>
https://www.sandbox.paypal.com/incontext?token=<token>
<script>
top.dg.closeFlow();
</script>

26. 

