Hi Robbie,
Thank you for writing.
To achieve the desired layout first you should set the series
CombineMode property to
Stack. Then you can use the
StackGroupKey property to control how the series are stacked. For example when you have four series you can combine them like this:
I hope this information helps. Should you have any other questions, I will be glad to assist you.
Regards,
Dimitar
Telerik