Implementation
To use the Chart control one needs to have Service Pack 1 installed both for .NET Framework and Visual Studio 2008. To start implementation download and install Microsoft's Chart Controls ('MSChart.exe') from tinyurl.com/5lqhes . One can also install Visual studio 2008 tool support by downloading and installing 'MSChart_VisualStudioAddOn.exe' from tinyurl.com/6b5qya.

This will provide intelliSence support while designing and will also give 'Toolbox' integration. Once you have installed both these tools, you are ready to create ASP.NET web application. Start with creating a new ASP.NET project ('TestCHART'). In this implementation we are using C# as the programming language. Now drag and drop 'Chart' control in 'Toolbox' under 'Data' on 'Default.aspx' (in design view). When one places a chart into the Web forms designer, a new entry is placed 'web.config' file under '<controls>' section:

This entry allows one to use the chart control with the familiar asp tag prefix. Visual Studio also adds HTTP handler entry shown below into '<handlers>' section and '<httpHandlers>' section for use with IIS and Visual Studio Web Development Server.

<add name="ChartImageHandler" preCondition="integratedMode" verb="GET,HEAD" path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>

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