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Charts

Multiple Point Selection

Documentation
This demo illustrates the use of multi-point selection within the Chart widget.
@(Html.DevExtreme().Chart() .ID("chart") .Rotated(true) .PointSelectionMode(ChartElementSelectionMode.Multiple) .CommonSeriesSettings(s => s .ArgumentField("Country") .Type(SeriesType.StackedBar) .SelectionStyle(st => st.Hatching(h => h.Direction(HatchingDirection.Left))) ) .Series(s => { s.Add().ValueField("Gold").Name("Gold Medals").Color("#ffd700"); s.Add().ValueField("Silver").Name("Silver Medals").Color("#c0c0c0"); s.Add().ValueField("Bronze").Name("Bronze Medals").Color("#cd7f32"); }) .Title(t => t.Text("Olympic Medals in 2008")) .Export(e => e.Enabled(true)) .Legend(l => l .VerticalAlignment(VerticalEdge.Bottom) .HorizontalAlignment(HorizontalAlignment.Center) ) .OnPointClick(@<text> function(e) { var point = e.target; if(point.isSelected()) { point.clearSelection(); } else { point.select(); } } </text>) .DataSource(new List<object> { new { Country = "USA", Gold = 36, Silver = 38, Bronze = 36 }, new { Country = "China", Gold = 51, Silver = 21, Bronze = 28 }, new { Country = "Russia", Gold = 23, Silver = 21, Bronze = 28 }, new { Country = "Britain", Gold = 19, Silver = 13, Bronze = 15 }, new { Country = "Australia", Gold = 14, Silver = 15, Bronze = 17 }, new { Country = "Germany", Gold = 16, Silver = 10, Bronze = 15 } }) )
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.Web.Mvc; namespace DevExtreme.MVC.Demos.Controllers { public class ChartsController : Controller { public ActionResult MultiplePointSelection() { return View(); } } }
#chart { height: 440px; width: 100%; }