Hi Ashutosh,

First you should not extend an existing provider, but instead create your own one! Because, if you upgrade your module, you will loose your changes.

Basic steps to create a gateway provider:

1. Copy the files from the folder \DesktopModules\Store\Cart\Providers\GatewayProviders\PayPalProvider
2. Create a new folder (YourOwnProvider) inside \DesktopModules\Store\Cart\Providers\GatewayProviders\
3. Paste the files inside your new folder
4. Rename all files with your own provider name (eg: PayPalAdmin ascx > YourOwnNameAdmin)
5. Rename all class names and namespaces with 'YourOwnName'
6. Add the new project to the Store solution
7. Create a new folder (YourOwnProvider) inside \DesktopModules\Store\Providers\GatewayProviders\
8. Correct folder names in the post build event

Your provider should have a parameter the notification url. In the payPal provider you have a parameter named NotifyURL transmited in the form field 'notify_url'. Look at the code in the method ConfirmOrder in the class PayPalPayment. A TransactionDetail object is created to store the url parameters (ReturnURL, CancelURL and NotifyURL) and this object is passed as parameter to the PayPalGatewayProvider class (provider.ProcessTransaction(CheckoutControl.BillingAddress, order, transaction)). The provider class build the form to transmit to the PayPal server.

In the ConfirmOrder method the NotifyURL is build to call an aspx page (PayPalIPN.aspx) like this: transaction.NotifyURL = urlAuthority + TemplateSourceDirectory + "/PayPalIPN.aspx?language=" + language. Your should have a similar page (YourOwnNameIPN.aspx) to get the response from your gateway provider and update the order status.

Gilles

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Hello Gilles,

I went your way and got some success going my way. I could post my data and invoke the PG, make a transaction, which was successful. Buts that about it.

When the Payment Gateway redirects back to ReturnURL, which I have set to Response.aspx in the same location where we have the Payment page (Response.aspx is actually a copy of PayPalIPN.aspx). I have modified it to read my QueryString and fetch the details from there but it instead of loading that page, lands back to the page from where it went off and shows me Shipping and billing placeholders.

Could you please guide me through.

Thanks
Ashutosh