Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Views/CalculatableView.cs
===================================================================
diff -u -rc6609aa18c44e976105aa8f434616576aeb7f677 -r95c3452dca388375373dc915a0fd68acef51833b
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Views/CalculatableView.cs	(.../CalculatableView.cs)	(revision c6609aa18c44e976105aa8f434616576aeb7f677)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Views/CalculatableView.cs	(.../CalculatableView.cs)	(revision 95c3452dca388375373dc915a0fd68acef51833b)
@@ -146,16 +146,11 @@
             return null;
         }
 
-        private void LocalizeControls()
+        /// <summary>
+        /// Updates the state of the calculation button and the corresponding error provider.
+        /// </summary>
+        protected void UpdateCalculateForSelectedButton()
         {
-            CalculateForSelectedButton.Text = Resources.CalculatableView_CalculateForSelectedButton_Text;
-            DeselectAllButton.Text = Resources.CalculatableView_DeselectAllButton_Text;
-            SelectAllButton.Text = Resources.CalculatableView_SelectAllButton_Text;
-            ButtonGroupBox.Text = Resources.CalculatableView_ButtonGroupBox_Text;
-        }
-
-        private void UpdateCalculateForSelectedButton()
-        {
             var validationText = ValidateCalculatableObjects();
             if (!string.IsNullOrEmpty(validationText))
             {
@@ -169,6 +164,14 @@
             }
         }
 
+        private void LocalizeControls()
+        {
+            CalculateForSelectedButton.Text = Resources.CalculatableView_CalculateForSelectedButton_Text;
+            DeselectAllButton.Text = Resources.CalculatableView_DeselectAllButton_Text;
+            SelectAllButton.Text = Resources.CalculatableView_SelectAllButton_Text;
+            ButtonGroupBox.Text = Resources.CalculatableView_ButtonGroupBox_Text;
+        }
+
         private void InitializeEventHandlers()
         {
             dataGridViewControl.AddCurrentCellChangedHandler(DataGridViewOnCurrentCellChangedHandler);