diff --git a/src/wizard/controller/frmResultSummaryPanel.py b/src/wizard/controller/frmResultSummaryPanel.py
index 6f10861..6e58798 100644
--- a/src/wizard/controller/frmResultSummaryPanel.py
+++ b/src/wizard/controller/frmResultSummaryPanel.py
@@ -53,6 +53,13 @@ def __populate_date_fields(self):
         if self.existing_result is None:
             return
 
+        if self.existing_result.SampledMediumCV is not None:
+            self.comboSamp.SetValue(self.existing_result.SampledMediumCV)
+
+        if self.existing_result.AggregationStatisticCV is not None:
+            self.comboAgg.SetValue(self.existing_result.AggregationStatisticCV)
+
+
         # Set Result Date Time
         if self.existing_result.ResultDateTime is not None:
             year = self.existing_result.ResultDateTime.year
diff --git a/src/wizard/view/clsResultPage.py b/src/wizard/view/clsResultPage.py
index a090a07..6437581 100644
--- a/src/wizard/view/clsResultPage.py
+++ b/src/wizard/view/clsResultPage.py
@@ -250,7 +250,7 @@ def __init__( self, parent ):
         bSizerX.Add( self.staticXUnits, 0, wx.ALL, 5 )
         
         comboXUnitsChoices = []
-        self.comboXUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboXUnitsChoices, 0 )
+        self.comboXUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboXUnitsChoices, style=wx.CB_READONLY)
         self.comboXUnits.SetMinSize(wx.Size(160, -1))
         
         bSizerX.Add( self.comboXUnits, 0, wx.ALL, 5 )
@@ -278,7 +278,7 @@ def __init__( self, parent ):
         bSizerY.Add( self.staticYUnits, 0, wx.ALL, 5 )
         
         comboYUnitsChoices = []
-        self.comboYUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboYUnitsChoices, 0 )
+        self.comboYUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboYUnitsChoices, style=wx.CB_READONLY)
         self.comboYUnits.SetMinSize( wx.Size( 160,-1 ) )
         
         bSizerY.Add( self.comboYUnits, 0, wx.ALL, 5 )
@@ -307,7 +307,7 @@ def __init__( self, parent ):
         bSizerZ.Add( self.m_staticText422110, 0, wx.ALL, 5 )
         
         comboZUnitsChoices = []
-        self.comboZUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboZUnitsChoices, 0 )
+        self.comboZUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboZUnitsChoices, style=wx.CB_READONLY)
         self.comboZUnits.SetMinSize( wx.Size( 160,-1 ) )
         
         bSizerZ.Add( self.comboZUnits, 0, wx.ALL, 5 )
@@ -334,7 +334,7 @@ def __init__( self, parent ):
         bSizerIntended.Add( self.m_staticText4221101, 0, wx.ALL, 5 )
         
         comboIntendedUnitsChoices = []
-        self.comboIntendedUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboIntendedUnitsChoices, 0 )
+        self.comboIntendedUnits = wx.ComboBox( sbSizerOpt.GetStaticBox(), wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, comboIntendedUnitsChoices, style=wx.CB_READONLY)
         self.comboIntendedUnits.SetMinSize( wx.Size( 160,-1 ) )
         
         bSizerIntended.Add( self.comboIntendedUnits, 0, wx.ALL, 5 )