There is a Paypal API for this purpose. You simply use this SOAP/API as well based on the functions you wish to have here. I could show you a simple demo for this purpose.
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Hi,
We are a bunch of professional programmers to the core. We have developer a variety of web/windows applications ranging from simple shopping carts to enterprise applications. We also have developed a number of services in .Net. Payment in Milestones
Hi,
We have expirence Payapl with Asp.net. we can implement standred Paypal or express check out Paypal. it is depend on your hosting plan. because most of share hosting does not provide Express checkout paypal.
If you want then i can share with you some of my work.
Thanks