Not too long ago, the only way to add robust charting and graphing capabilities to your application was to buy a third-party control suite. This was mainly due to the complexity involved; the task of writing your own chart control was too time-consuming and error-prone. This has recently changed.
In 2008, Microsoft released a free charting control that enabled developers to add rich, browser-based charts to ASP.NET 3.5 web applications. These components are now part of ASP.NET 4 and are included by default with the .NET Framework.
This chapter shows you how to use ASP.NET Chart Control to add ...