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# How to handle a mouse click to obtain dashboard item's data in the WinForms Dashboard Viewer
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# How to Display the Dashboard Item's Underlying Data
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The following example demonstrates how to get client data corresponding to a particular visual element using DashboardViewer's API.<br>In this example, the <a href="http://documentation.devexpress.com/#Dashboard/DevExpressDashboardWinDashboardViewer_DashboardItemClicktopic">DashboardViewer.DashboardItemClick</a> event is handled to obtain client data for the <a href="http://documentation.devexpress.com/#Dashboard/CustomDocument15263">Card</a> dashboard item and display this data in a <a href="http://documentation.devexpress.com/#WindowsForms/CustomDocument8117">Chart control</a>. We obtain axis points placed on the <a href="http://documentation.devexpress.com/#Dashboard/DevExpressDashboardCommonDashboardDataAxisNamesMembersTopicAll">"Sparkline" axis</a> for the clicked card, determine corresponding actual/target values, and save these values to a data table. This table is used as a data source for the Chart control. 

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