[OBSOLETE] How to obtain data from a ChartDashboardItem instance and export it to Excel (WinForms)

This example demonstrates how to get data from a ChartDashboardItem item using DashboardViewer.GetUnderlyingData and create a report in order to export it to Excel. 

Starting with v15.2, the Dashboard Designer and both Viewers (Win and Web) allow you to export data displayed in all data-bound dashboard items to the XLS, XLSX, and CSV formats. To learn more, see Q564805.