How to: Bind a Treemap Dashboard Item to Data in Code
The following example demonstrates how to bind a Treemap dashboard item to data in code.
Note
A complete sample project is available at https://github.com/DevExpress-Examples/how-to-bind-a-treemap-dashboard-item-to-data-in-code-t429531.
using DevExpress.DashboardCommon;
using DevExpress.XtraEditors;
namespace DashboardViewer_Treemap {
public partial class Form1 : XtraForm {
public Form1() {
InitializeComponent();
Dashboard dashboard = new Dashboard();
DashboardExtractDataSource dataSource = new DashboardExtractDataSource();
dataSource.FileName = @"..\..\Data\SalesDataExtract.dat";
dashboard.DataSources.Add(dataSource);
TreemapDashboardItem treeMap = new TreemapDashboardItem();
treeMap.DataSource = dataSource;
treeMap.Values.Add(new Measure("Sales"));
treeMap.Arguments.Add(new Dimension { DataMember = "Product Category", GroupChildValues = true });
treeMap.Arguments.Add(new Dimension("Product Sub-Category"));
treeMap.LayoutAlgorithm = DashboardTreemapLayoutAlgorithm.Striped;
dashboard.Items.Add(treeMap);
dashboardViewer1.Dashboard = dashboard;
}
}
}