<Grid xmlns:xcdg="http://schemas.xceed.com/wpf/xaml/datagrid">
   <Grid.Resources>
      <ResourceDictionary>
         <xcdg:DataGridCollectionViewSource x:Key="cvs_orders"
                                            Source="{Binding Source={x:Static Application.Current}, Path=Orders}" />
         <Style x:Key="filterExpressionEditorStyle"
                TargetType="xcdg:FilterExpressionEditor">
            <Setter Property="FilterOperatorsText">
               <Setter.Value>
                  <col:Hashtable>
                     <s:String x:Key="{x:Type xcdg:GreaterThanFilterCriterion}">&gt;</s:String>
                     <s:String x:Key="{x:Type xcdg:GreaterThanOrEqualToFilterCriterion}">&gt;=</s:String>
                     <s:String x:Key="{x:Type xcdg:LessThanFilterCriterion}">&lt;</s:String>
                     <s:String x:Key="{x:Type xcdg:LessThanOrEqualToFilterCriterion}">&lt;=</s:String>
                     <s:String x:Key="{x:Type xcdg:EqualToFilterCriterion}">=</s:String>
                     <s:String x:Key="{x:Type xcdg:DifferentThanFilterCriterion}">&lt;&gt;</s:String>
                  </col:Hashtable>
               </Setter.Value>
            </Setter>
         </Style>
      </ResourceDictionary>
   </Grid.Resources>
   <xcdg:DataGridControl x:Name="OrdersGrid"
                         ItemsSource="{Binding Source={StaticResource cvs_orders}}">
      <xcdg:DataGridControl.Columns>
         <xcdg:Column FieldName="ShipCountry"
                      FilterExpressionEditorStyle="{StaticResource filterExpressionEditorStyle}" />
      </xcdg:DataGridControl.Columns>
   </xcdg:DataGridControl>
</Grid>