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    Charts

    Selection

    Documentation

    This demo illustrates the use of the pointClick callback function to implement selection in the Chart widget. The selectionMode of the series is set to «allArgumentPoints», which means that when a user selects a point, other points with the same argument also become selected.

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    ASP.NET Core

    ASP.NET MVC

    @(Html.DevExtreme().Chart() .ID("chart") .Rotated(true) .CommonSeriesSettings(s => s .ArgumentField("Country") .Type(SeriesType.Bar) .HoverMode(ChartSeriesHoverMode.AllArgumentPoints) .SelectionMode(ChartSeriesSelectionMode.AllArgumentPoints) .Label(l => l .Visible(true) .Format(f => f.Type(Format.Percent).Precision(1)) ) ) .ValueAxis(a => a.Add().Label(l => l.Format(f => f.Type(Format.Percent).Precision(1)))) .Series(s => { s.Add().ValueField("Year2007").Name("2007 - 2008"); s.Add().ValueField("Year2008").Name("2008 - 2009"); }) .Title(t => t.Text("Economy - Export Change")) .Legend(l => l .VerticalAlignment(VerticalEdge.Bottom) .HorizontalAlignment(HorizontalAlignment.Center) ) .Export(e => e.Enabled(true)) .OnPointClick(@<text> function(e) { e.target.select(); } </text>) .OnLegendClick(@<text> function(e) { var series = e.target; if(series.isVisible()) { series.hide(); } else { series.show(); } } </text>) .DataSource(new[] { new { Country = "China", Year2007 = 0.1732, Year2008 = -0.1588 }, new { Country = "Germany", Year2007 = 0.0964, Year2008 = -0.2231 }, new { Country = "United States", Year2007 = 0.1187, Year2008 = -0.1878 }, new { Country = "Japan", Year2007 = 0.1081, Year2008 = -0.2614 }, new { Country = "France", Year2007 = 0.1014, Year2008 = -0.2222 }, new { Country = "Netherlands", Year2007 = 0.1355, Year2008 = -0.2015 } }) )
    using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.MVC.Demos.Models.SampleData; using Newtonsoft.Json; using System; using System.Collections.Generic; using System.Linq; using System.Web.Mvc; namespace DevExtreme.MVC.Demos.Controllers { public class ChartsController : Controller { public ActionResult Selection() { return View(); } } }
    #chart { height: 440px; }