Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Views/FailureMechanismResultView.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -r6757ae6f6f8f07d3d824b58eccca696ad7e53325
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Views/FailureMechanismResultView.cs	(.../FailureMechanismResultView.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Views/FailureMechanismResultView.cs	(.../FailureMechanismResultView.cs)	(revision 6757ae6f6f8f07d3d824b58eccca696ad7e53325)
@@ -167,6 +167,14 @@
             UpdateFailureMechanismAssemblyResultControl();
         }
 
+        /// <summary>
+        /// Refreshes the data grid in the view.
+        /// </summary>
+        protected virtual void RefreshDataGrid()
+        {
+            DataGridViewControl.RefreshDataGridView(false);
+        }
+
         private bool HasManualAssemblyResults()
         {
             return HasSectionResultsHelper.HasManualAssemblyResults(FailureMechanism);
@@ -240,7 +248,7 @@
         private void RowUpdated(object sender, EventArgs eventArgs)
         {
             rowUpdating = true;
-            DataGridViewControl.RefreshDataGridView();
+            RefreshDataGrid();
             UpdateFailureMechanismAssemblyResultControl();
         }
 
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/FailureMechanismResultViewTest.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -r6757ae6f6f8f07d3d824b58eccca696ad7e53325
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/FailureMechanismResultViewTest.cs	(.../FailureMechanismResultViewTest.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/FailureMechanismResultViewTest.cs	(.../FailureMechanismResultViewTest.cs)	(revision 6757ae6f6f8f07d3d824b58eccca696ad7e53325)
@@ -130,17 +130,19 @@
         {
             // Setup 
             const int nameColumnIndex = 0;
+            const int stringColumnIndex = 1;
 
             // Call
             using (ShowFailureMechanismResultsView(new ObservableList<TestFailureMechanismSectionResult>()))
             {
                 // Assert
                 DataGridView dataGridView = GetDataGridView();
 
-                Assert.AreEqual(1, dataGridView.ColumnCount);
+                Assert.AreEqual(2, dataGridView.ColumnCount);
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[nameColumnIndex]);
 
                 Assert.AreEqual("Test", dataGridView.Columns[nameColumnIndex].HeaderText);
+                Assert.AreEqual("TestString", dataGridView.Columns[stringColumnIndex].HeaderText);
             }
         }
 
@@ -501,6 +503,33 @@
         }
 
         [Test]
+        public void GivenFailureMechanismResultView_WhenRowUpdated_ThenColumnsDoNotAutoResize()
+        {
+            // Given
+            var sectionResults = new ObservableList<TestFailureMechanismSectionResult>
+            {
+                FailureMechanismSectionResultTestFactory.CreateFailureMechanismSectionResult()
+            };
+
+            using (ShowFailureMechanismResultsView(sectionResults))
+            {
+                DataGridView dataGridView = GetDataGridView();
+                var row = (TestRow) dataGridView.Rows[0].DataBoundItem;
+
+                DataGridViewCell dataGridViewCell = dataGridView.Rows[0].Cells[1];
+                row.TestString = "a";
+                int initialWidth = dataGridViewCell.OwningColumn.Width;
+
+                // When
+                row.TestString = "Looong testing value";
+
+                // Then
+                int newWidth = dataGridViewCell.OwningColumn.Width;
+                Assert.AreEqual(initialWidth, newWidth);
+            }
+        }
+
+        [Test]
         public void GivenFailureMechanismResultView_WhenResultRemovedAndSectionResultsNotified_ThenEventHandlersDisconnected()
         {
             // Given
@@ -598,6 +627,7 @@
             protected override void AddDataGridColumns()
             {
                 DataGridViewControl.AddTextBoxColumn("Name", "Test", true);
+                DataGridViewControl.AddTextBoxColumn(nameof(TestRow.TestString), "TestString");
             }
 
             protected override void UpdateAssemblyResultControl()
@@ -615,11 +645,26 @@
 
         private class TestRow : FailureMechanismSectionResultRow<FailureMechanismSectionResult>
         {
+            private string testString;
+
             public TestRow(FailureMechanismSectionResult sectionResult) : base(sectionResult)
             {
                 ColumnStateDefinitions.Add(0, new DataGridViewColumnStateDefinition());
             }
 
+            public string TestString
+            {
+                get
+                {
+                    return testString;
+                }
+                set
+                {
+                    testString = value;
+                    UpdateInternalData();
+                }
+            }
+
             public bool Updated { get; private set; }
 
             public void UpdateInternal()