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For the time being and given some additional knowledge (there are 3 filter types - "Microsoft Office", "Music and Video" and "Others") you can achieve the desired result by altering the legend labels manually. For this purpose wire the DataBound
event in RadChart and update the LegendLabel
property of each data series:
sender, ChartDataBoundEventArgs e)
RadChart chart = ((RadChart)sender);
i = 0; i < chart.DefaultView.ChartArea.DataSeries.Count; i++)
(i < 3)
A slightly enhanced version would involve keeping all the updated legend labels in a list, so if you reach a repeating legend label, you would know that it is for bytes and not for files. You can find the updated files attached. I hope this is applicable.
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