By default RadChart includes the color and name of each chart series in the legend
. This is controlled by the chart when new series is added or removed. You can see how this is implemented in this online demo
. Please note that if you add custom legend items they will not be updated when you add or remove series. You can also try to clear the chart series before re-populating it like that:
I hope this helps.
All the best,
the Telerik team
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