This article demonstrates the Accordion Control from the ASP.NET AJAX Control Toolkit through a step-by-step project implementation. There are series of controls (Extenders or simply first class control) in the AJAX control Toolkit. One of them is of particular interest in this article, the Accordion control. This control would enrich your website and gives it a professional look. In addition, the Accordion control of presenting large amount of information in a relatively small space.