Here is some link that helpful to work with Chart Controls in Visual Studio 2008.
(1) Microsoft Chart Controls for Microsoft .NET Framework 3.5
(2) Microsoft Chart Controls Add-on for Microsoft Visual Studio 2008
(3) Samples Environment for Chart Controls
(4) Using Microsoft's Chart Controls In An ASP.NET Application: Getting Started
(5) Error executing child request for ChartImg.axd.
(6) Built-in Charting Controls (VS 2010 and .NET 4 Series)
(2) Microsoft Chart Controls Add-on for Microsoft Visual Studio 2008
(3) Samples Environment for Chart Controls
(4) Using Microsoft's Chart Controls In An ASP.NET Application: Getting Started
(5) Error executing child request for ChartImg.axd.
(6) Built-in Charting Controls (VS 2010 and .NET 4 Series)
