diff --git a/UIUtils/CMTTrendModelClosePositionDialog.xaml b/UIUtils/CMTTrendModelClosePositionDialog.xaml
index acc2da9..32d9510 100644
--- a/UIUtils/CMTTrendModelClosePositionDialog.xaml
+++ b/UIUtils/CMTTrendModelClosePositionDialog.xaml
@@ -1,7 +1,7 @@
 <Window x:Class="TradeBlotter.UIUtils.CMTTrendModelClosePositionDialog"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        Title="Close Position" Height="240" Width="200"
+        Title="Close Position" Height="260" Width="200"
         xmlns:wpfx="http://schemas.xceed.com/wpf/xaml/toolkit"
         WindowStartupLocation="CenterScreen" 
         SizeToContent="WidthAndHeight"
@@ -29,6 +29,7 @@
           <RowDefinition Height="25" />
           <RowDefinition Height="25" />
           <RowDefinition Height="25" />
+          <RowDefinition Height="25" />
         </Grid.RowDefinitions>
 
         <Label Name="lblCompanyName"  Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="3"></Label>
@@ -40,7 +41,7 @@
         <DatePicker Name="dpPurchaseDate" IsEnabled="False" Grid.Row="3" Grid.Column="2"></DatePicker>
 
         <Label Name="lblSellDate" Grid.Row="4" Grid.Column="0" MinWidth="75">Sell Date</Label>
-        <DatePicker Name="dpSellDate" Grid.Row="4" Grid.Column="2"></DatePicker>
+        <DatePicker Name="dpSellDate" Grid.Row="4" Grid.Column="2" SelectedDateChanged="dpSellDate_SelectionChanged"></DatePicker>
 
         <Label Name="lblSellPrice" Grid.Row="5" Grid.Column="0">Sell Price</Label>
         <TextBox Name="txtSellPrice" Grid.Row="5" Grid.Column="2" MinWidth="75" LostFocus="txtSellPrice_OnLostFocusHandler" KeyDown="txtSellPrice_OnKeyDownHandler">100.00</TextBox>
@@ -48,6 +49,8 @@
 
         <CheckBox Name="cbDeleteStop" Grid.Row="7" Grid.Column="0">Delete Stop</CheckBox>
 
+        <Label Name="lblMessage"  Grid.Row="8" Grid.Column="0" Grid.ColumnSpan="5"></Label>
+        
         <Button Content="_Ok" MinWidth="75" IsDefault="False" Margin="2" Name="btnOk" Click="btnOk_Click" Grid.Row="9" Grid.Column="0"/>
         <Button Content="_Cancel" MinWidth="75" IsCancel="True" Margin="2" Name="btnCancel" Click="btnCancel_Click"  Grid.Row="9" Grid.Column="2"/>
       </Grid>
diff --git a/UIUtils/CMTTrendModelClosePositionDialog.xaml.cs b/UIUtils/CMTTrendModelClosePositionDialog.xaml.cs
index 0bea07e..757ae02 100644
--- a/UIUtils/CMTTrendModelClosePositionDialog.xaml.cs
+++ b/UIUtils/CMTTrendModelClosePositionDialog.xaml.cs
@@ -138,11 +138,32 @@ namespace TradeBlotter.UIUtils
     private bool Validate()
     {
       DateGenerator dateGenerator=new DateGenerator();
-      if(null==Symbol) return false;
-      if(Utility.IsEpoch(PurchaseDate)) return false;
-      if(Utility.IsEpoch(SellDate))return false;
-      if(!dateGenerator.IsMarketOpen(SellDate)) return false;
-      if(double.IsNaN(SellPrice)) return false;
+      if(null==Symbol)
+      {
+        SetMessage("Invalid Symbol.");
+        return false;
+      }
+      if(Utility.IsEpoch(PurchaseDate))
+      {
+        SetMessage("Invalid Purchase Date.");
+        return false;
+      }
+      if(Utility.IsEpoch(SellDate))
+      {
+        SetMessage("Invalid Sell Date.");
+        return false;
+      }
+      if(!dateGenerator.IsMarketOpen(SellDate))
+      {
+        SetMessage("Market closed on Sell Date.");
+        return false;
+      }
+      if(double.IsNaN(SellPrice))
+      {
+        SetMessage("Invalid Sell Price.");
+        return false;
+      }
+      SetMessage("");
       return true;
     }
     private void UpdateSellPrice()
@@ -155,5 +176,9 @@ namespace TradeBlotter.UIUtils
       if(null==companyProfile||null==companyProfile.CompanyName) return;
       lblCompanyName.Content=companyProfile.CompanyName.ToUpper();
     }
+    private void SetMessage(String message)
+    {
+      lblMessage.Content=message;
+    }
   }
 }