The multiple series scenario shown on the ChartView's product page is different than the requirement Jonathan asks for. The one from the product page is supported. To achieve this, you can define multiple chart series in the Series collection of the chart control. If you need to stack the data, you can set the CombineMode of each series to Stack.
To achieve the requirement from the original post of this forum, you can stack vertically multiple RadCartesianChart controls.
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