This course is designed for web developers who needs to create a PayPal “Buy Now” button on their webpage. You are expected to have basic ASP.NET (C#) programming knowledge. This online training video series explains how the Buy Now button works and how to create an IPN listener (asp.net webpage) to receive payment notifications from PayPal and also verify the validity of the payment with PayPal. The source code for the Visual Studio project, ASP.NET (C#), is available for download. The visual instructions are easy to follow and the mouse clicking was highlighted with circles.
