Thank you for writing.
event will fire only for the views you have added to the RadChartView.Views
collection. It appears that you have added an additional view which is not handled in the Drill event handler. In case you are clearing the series, it is expected to have the chart empty if you are not handling the last case. If it fits your setup you can call the charts RadChartView.DrillToTop
Please check the following documentation article: http://docs.telerik.com/devtools/winforms/chartview/features/drill-down
. Additionally, you may also consider setting the chart`s ShowDrillNavigation
property to true
I hope this helps. Should you have further questions please do not hesitate to write back.
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