Hello Jignesh,
Thank you for writing.
Please refer to the following help article which demonstrates a
sample example how to setup drill down chart:
http://docs.telerik.com/devtools/winforms/chartview/features/drill-down
In addition, in our Demo application you can find a fully functional example:
Demo application >> ChartView >> Drill-down example. You can find the Demo application in the installation folder:
C:\Program Files (x86)\Telerik\UI for WinForms Q2 2016\Examples\QuickStart\Bin.
I hope this information helps. Should you have further questions I would be glad to help.
Regards,
Dess
Telerik by Progress
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