Dashboard for Web Forms - How to obtain a dashboard item's underlying data for a clicked visual element

The following example uses the DashboardControl's client-side API to get underlying data that corresponds to a particular visual element.

In this example, the ViewerApiExtensionOptions.onItemClick event is handled to obtain underlying data and invoke the dxPopup widget with the child dxDataGrid. In the event handler, the e.requestUnderlyingData method returns records from the dashboard's data source. The dxDataGrid displays these records.

Files to Look At

• UnderlyingData.js (VB: UnderlyingData.js)
• WebForm1.aspx (VB: WebForm1.aspx)

Documentation

• ASP.NET Web Forms Dashboard Control - Client-Side API Overview

More Examples

• How to obtain a dashboard item's client data in the ASP.NET Web Forms Dashboard Control
• ASPxDashboard - How to obtain underlying data for the specified dashboard item
• ASP.NET Core Dashboard - How to obtain a dashboard item's client data
• ASP.NET Core Dashboard - How to obtain a dashboard item's underlying data for a clicked visual element
• ASP.NET Core Dashboard - How to obtain underlying data for the specified dashboard item