Ever wondered what happened after Microsoft acquired Dundas’s data visualization components ? Somehow it ended up in the SP1 update of .NET 3.5 together with the Charting Add-on! This means that we can use it in SharePoint as well! Woohoow! :)
And the best thing is that Wictor Wilén has already created a webpart that let’s you connect to a list, define the X and the Y values, choose a chart type and displays a chart! :)
Go to www.codeplex.com/chartpart and download this webpart !