Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Views/GrassCoverErosionOutwardsFailureMechanismSectionResultRow.cs
===================================================================
diff -u -r97604c23ecbb32a091fa9978582378050f6a8b61 -ra6ebd668680c82a4b7822d979c7be3c3ad11ff7b
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Views/GrassCoverErosionOutwardsFailureMechanismSectionResultRow.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultRow.cs)	(revision 97604c23ecbb32a091fa9978582378050f6a8b61)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Views/GrassCoverErosionOutwardsFailureMechanismSectionResultRow.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultRow.cs)	(revision a6ebd668680c82a4b7822d979c7be3c3ad11ff7b)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using Core.Common.Controls.DataGrid;
 using Ringtoets.AssemblyTool.Data;
 using Ringtoets.AssemblyTool.Forms;
 using Ringtoets.Common.Data.Exceptions;
@@ -85,6 +86,8 @@
             combinedAssemblyCategoryGroupIndex = constructionProperties.CombinedAssemblyCategoryGroupIndex;
             manualAssemblyCategoryGroupIndex = constructionProperties.ManualAssemblyCategoryGroupIndex;
 
+            CreateColumnStateDefinitions();
+
             Update();
         }
 
@@ -302,6 +305,34 @@
             UpdateDerivedData();
         }
 
+        private void CreateColumnStateDefinitions()
+        {
+            ColumnStateDefinitions.Add(simpleAssessmentResultIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(detailedAssessmentResultForFactorizedSignalingNormIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(detailedAssessmentResultForSignalingNormIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(detailedAssessmentResultForMechanismSpecificLowerLimitNormIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(detailedAssessmentResultForLowerLimitNormIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(detailedAssessmentResultForFactorizedLowerLimitNormIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(tailorMadeAssessmentResultIndex, new DataGridViewColumnStateDefinition());
+            ColumnStateDefinitions.Add(simpleAssemblyCategoryGroupIndex, new DataGridViewColumnStateDefinition
+            {
+                ReadOnly = true
+            });
+            ColumnStateDefinitions.Add(detailedAssemblyCategoryGroupIndex, new DataGridViewColumnStateDefinition
+            {
+                ReadOnly = true
+            });
+            ColumnStateDefinitions.Add(tailorMadeAssemblyCategoryGroupIndex, new DataGridViewColumnStateDefinition
+            {
+                ReadOnly = true
+            });
+            ColumnStateDefinitions.Add(combinedAssemblyCategoryGroupIndex, new DataGridViewColumnStateDefinition
+            {
+                ReadOnly = true
+            });
+            ColumnStateDefinitions.Add(manualAssemblyCategoryGroupIndex, new DataGridViewColumnStateDefinition());
+        }
+
         private void UpdateDerivedData()
         {
             TryGetSimpleAssemblyCategoryGroup();
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/Views/GrassCoverErosionOutwardsFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r97604c23ecbb32a091fa9978582378050f6a8b61 -ra6ebd668680c82a4b7822d979c7be3c3ad11ff7b
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/Views/GrassCoverErosionOutwardsFailureMechanismSectionResultRowTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultRowTest.cs)	(revision 97604c23ecbb32a091fa9978582378050f6a8b61)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/Views/GrassCoverErosionOutwardsFailureMechanismSectionResultRowTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultRowTest.cs)	(revision a6ebd668680c82a4b7822d979c7be3c3ad11ff7b)
@@ -20,7 +20,9 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
 using Core.Common.Base;
+using Core.Common.Controls.DataGrid;
 using Core.Common.TestUtil;
 using NUnit.Framework;
 using Rhino.Mocks;
@@ -32,6 +34,7 @@
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.Helpers;
+using Ringtoets.Common.Forms.TestUtil;
 using Ringtoets.Common.Forms.Views;
 using Ringtoets.Common.Primitives;
 using Ringtoets.GrassCoverErosionOutwards.Data;
@@ -89,6 +92,22 @@
                 Assert.AreEqual(result.UseManualAssemblyCategoryGroup, row.UseManualAssemblyCategoryGroup);
                 Assert.AreEqual(SelectableFailureMechanismSectionAssemblyCategoryGroupConverter.ConvertTo(result.ManualAssemblyCategoryGroup),
                                 row.ManualAssemblyCategoryGroup);
+
+                IDictionary<int, DataGridViewColumnStateDefinition> columnStateDefinitions = row.ColumnStateDefinitions;
+                Assert.AreEqual(12, columnStateDefinitions.Count);
+
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.SimpleAssessmentResultIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.DetailedAssessmentResultForFactorizedSignalingNormIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.DetailedAssessmentResultForSignalingNormIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.DetailedAssessmentResultForMechanismSpecificLowerLimitNormIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.DetailedAssessmentResultForLowerLimitNormIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.DetailedAssessmentResultForFactorizedLowerLimitNormIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.TailorMadeAssessmentResultIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.SimpleAssemblyCategoryGroupIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.DetailedAssemblyCategoryGroupIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.TailorMadeAssemblyCategoryGroupIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.CombinedAssemblyCategoryGroupIndex);
+                FailureMechanismSectionResultRowTestHelper.AssertColumnStateDefinition(columnStateDefinitions, ConstructionProperties.ManualAssemblyCategoryGroupIndex);
             }
         }