Index: src/Deltares.DSoilModel.Forms/DSoilModelPlugin.cs
===================================================================
diff -u -r447 -r453
--- src/Deltares.DSoilModel.Forms/DSoilModelPlugin.cs	(.../DSoilModelPlugin.cs)	(revision 447)
+++ src/Deltares.DSoilModel.Forms/DSoilModelPlugin.cs	(.../DSoilModelPlugin.cs)	(revision 453)
@@ -554,9 +554,8 @@
                     }
                 }
             }
-
-            var gridViewControl = sender as GridViewControl;
-            if (gridViewControl != null && gridViewControl.Name.Equals("MaterialsGridViewControl"))
+            
+            if (sender == materialsTable)
             {
                 if (publishEventArgs.Property.Equals("SelectedFilter"))
                 {
@@ -1068,6 +1067,7 @@
                 };
                 mainForm.RegisterTableControl(typeof(DSoilModelProject), segmentsTable, "SoilSegments");
                 BindSupport.Bind<DSoilModelProject>(projectPanel, segmentsTable, x => x.CurrentSoilSegments);
+                HideBarButton(segmentsTable, "AddBarItem");
             }
 
             // validator messages, add repair all button to toolbar
@@ -1091,6 +1091,16 @@
             mainForm.DynamicOutputControl.LogMessagesGridViewControl.ShowToolbar = true;
         }
 
+        private void HideBarButton(GridViewControl gridviewcontrol, string barButtonName)
+        {
+            var button = FindBarButtonItem(gridviewcontrol, "AddBarItem");
+            if (button != null)
+            {
+                BindSupport.Unbind(button);
+                button.Visibility = BarItemVisibility.Never;
+            }
+        }
+
         private void LogErrorCannotDelete(IName objToDelete, IName objUses)
         {
             var formattedErrorStr = LocalizationManager.GetTranslatedText(this, "CannotDeleteObjectThatInUse");