Handing a Silent POST to my ASPX Page

I currently building a site that will make a "Donation" to a PayFlow managed group. Payflow is set to perform a Silent Post to a URL that we Specify after the transaction succeeds or fails...this post will contain pieces of data that will tell us whether the transaction failed or succeeded. My problem is i do not know how to handle this in my ASPX page. So say I set the return page to return.aspx...the silent post doesnt actually open this page but does a post to it anyway. How can i capture this information coming to my page?
SaithAsked:
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SaithAuthor Commented:
Thank you! I am new to your site, i must have missed it.
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David H.H.LeeCommented:
Hi Saith,
Basically, that return page that handle the processed paypal information can be called as "Instant Payment Notification" page and you need to configure this URL inside the Paypal's merchant account.
The details of the entire implementation can be found here for better insight:
http://www.west-wind.com/presentations/PayPalIntegration/PayPalIntegration.asp

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