Major charting components for Windows are ChartFX and Dundas. Both integrate well with VS.NET and provide easy to use wizards with well architectured .NET apis.

Dundas charting is significantly more affordable than ChartFX, especially for volume licensing, I have contacted both companies with various charting issues and received prompt and accurate support. This is how a typical chart from Dundas looks like:

But don't our customers deserve something better? How about some cool 3 D graphics?


These images are generated by Mathematica
 

This image is generated by Maple

Mathematica and Maple are excellent charting software packages that are used primary by scientists.
Commercial licenses are a bit pricey ($2000) and lack modern api interfaces.