I've downloaded MS Chart samples and in the gallery it shows a "3DPieInPie.png", which is what I want - but can't see any code to create it!!
Presumably it's ChartType = SeriesChartType.Pie
... but is there another setting that specifies I want the second pie? And how do enter the second set of data? - I've tried adding a new series, but it seems to be ignored.
Check out these answers. They also include some sample code: