Index: Core/Components/src/Core.Components.OxyPlot.Forms/StackChartControl.cs
===================================================================
diff -u -r9158f31e4f26c19087e171520a95de64837e457a -r03b624caf889c8ad42738b3b8926b47306be0990
--- Core/Components/src/Core.Components.OxyPlot.Forms/StackChartControl.cs	(.../StackChartControl.cs)	(revision 9158f31e4f26c19087e171520a95de64837e457a)
+++ Core/Components/src/Core.Components.OxyPlot.Forms/StackChartControl.cs	(.../StackChartControl.cs)	(revision 03b624caf889c8ad42738b3b8926b47306be0990)
@@ -21,8 +21,8 @@
 
 using System.Collections.Generic;
 using System.Drawing;
-using System.Linq;
 using System.Windows.Forms;
+using Core.Common.Base;
 using Core.Components.OxyPlot.DataSeries.Stack;
 using Core.Components.Stack.Data;
 using Core.Components.Stack.Forms;
@@ -37,6 +37,8 @@
         private readonly CategoryPlotView plotView;
         private StackChartData data;
 
+        private Observer stackChartDataObserver;
+
         /// <summary>
         /// Creates a new <see cref="StackChartControl"/>.
         /// </summary>
@@ -52,6 +54,8 @@
             };
 
             Controls.Add(plotView);
+
+            stackChartDataObserver = new Observer(HandleStackChartDataChange);
         }
 
         public StackChartData Data
@@ -64,16 +68,15 @@
             {
                 if (data != null)
                 {
-                    plotView.ClearLabels();
-                    plotView.Model.Series.Clear();
+                    ClearPlot();
                 }
 
                 data = value;
+                stackChartDataObserver.Observable = data;
 
                 if (data != null)
                 {
-                    AddLabels();
-                    DrawColumns();
+                    DrawPlot();
                 }
             }
         }
@@ -93,12 +96,31 @@
         protected override void Dispose(bool disposing)
         {
             plotView.Dispose();
+            stackChartDataObserver.Dispose();
 
             base.Dispose(disposing);
         }
 
-        private void AddLabels()
+        private void HandleStackChartDataChange()
         {
+            ClearPlot();
+            DrawPlot();
+        }
+
+        private void DrawPlot()
+        {
+            DrawLabels();
+            DrawColumns();
+        }
+
+        private void ClearPlot()
+        {
+            plotView.ClearLabels();
+            plotView.Model.Series.Clear();
+        }
+
+        private void DrawLabels()
+        {
             plotView.AddLabels(data.Columns);
         }
 
Index: Core/Components/test/Core.Components.OxyPlot.Forms.Test/StackChartControlTest.cs
===================================================================
diff -u -r5546276dfbf78b807ade6ffcb6d1e4cbd48f0310 -r03b624caf889c8ad42738b3b8926b47306be0990
--- Core/Components/test/Core.Components.OxyPlot.Forms.Test/StackChartControlTest.cs	(.../StackChartControlTest.cs)	(revision 5546276dfbf78b807ade6ffcb6d1e4cbd48f0310)
+++ Core/Components/test/Core.Components.OxyPlot.Forms.Test/StackChartControlTest.cs	(.../StackChartControlTest.cs)	(revision 03b624caf889c8ad42738b3b8926b47306be0990)
@@ -103,6 +103,7 @@
 
                 chart.Data = data;
 
+                // Precondition
                 CategoryPlotView plotView = chart.Controls.OfType<CategoryPlotView>().First();
                 AssertSeriesAndColumns(plotView);
 
@@ -158,6 +159,7 @@
 
                 chart.Data = data;
 
+                // Precondition
                 CategoryPlotView plotView = chart.Controls.OfType<CategoryPlotView>().First();
                 AssertSeriesAndColumns(plotView);
 
@@ -175,6 +177,61 @@
         }
 
         [Test]
+        public void GivenChartControlWithData_WhenDataNotified_ThenChartControlUpdated()
+        {
+            // Given
+            using (var chart = new StackChartControl())
+            {
+                var data = new StackChartData();
+                data.AddColumn("Column 1");
+                data.AddColumn("Column 2");
+                data.AddRow("Row 1", new List<double>
+                {
+                    0.4,
+                    0.2
+                });
+                data.AddRow("Row 2", new List<double>
+                {
+                    0.6,
+                    0.8
+                });
+
+                chart.Data = data;
+
+                CategoryPlotView plotView = chart.Controls.OfType<CategoryPlotView>().First();
+                AssertSeriesAndColumns(plotView);
+
+                // When
+                data.Clear();
+                data.AddColumn("New column 1");
+                data.AddColumn("New column 2");
+                data.AddRow("New row 1", new List<double>
+                {
+                    0.3,
+                    0.8
+                });
+                data.AddRow("New row 2", new List<double>
+                {
+                    0.8,
+                    0.2
+                });
+                data.NotifyObservers();
+
+                // Then
+                ElementCollection<Series> series = plotView.Model.Series;
+                Assert.AreEqual(2, series.Count);
+                Assert.AreEqual("New row 1", series[0].Title);
+                Assert.AreEqual("New row 2", series[1].Title);
+
+                CategoryAxis axis = plotView.Model.Axes.OfType<CategoryAxis>().First();
+
+                Assert.AreEqual(2, axis.Labels.Count);
+                Assert.AreEqual("New column 1", axis.Labels[0]);
+                Assert.AreEqual("New column 2", axis.Labels[1]);
+            }
+        }
+
+        [Test]
         [TestCase("Title")]
         [TestCase("Test")]
         [TestCase("Label")]