When you would like to use the charting controls in SharePoint, consider using the ChartPart for SharePoint. ChartPart for SharePoint is a Web Part for SharePoint which generates charts from SharePoint lists. It allows you to quickly create graphs for use in dashboards or other SharePoint solutions.
It supports a lot charts, is configurable and has multi-language support.
Example column graph
Configurable chart properties inside the ChartPart Web Part
For more information, visit http://www.codeplex.com/ChartPart/