<Grid xmlns:xcdg="http://schemas.xceed.com/wpf/xaml/datagrid"
     xmlns:s="clr-namespace:System;assembly=mscorlib">
  <Grid.Resources>
     <xcdg:DataGridCollectionViewSource x:Key="cvs_orders"
                                        Source="{Binding Source={x:Static Application.Current}, Path=Orders}">
        <xcdg:DataGridCollectionViewSource.ItemProperties>

         <xcdg:DataGridItemProperty Name="ShipCountry">
            <xcdg:DataGridItemProperty.FilterCriterion>
               <xcdg:EqualToFilterCriterion Value="Canada" />
            </xcdg:DataGridItemProperty.FilterCriterion>
         </xcdg:DataGridItemProperty>
         <xcdg:DataGridItemProperty Name="EmployeeID">
            <xcdg:DataGridItemProperty.FilterCriterion>
               <xcdg:OrFilterCriterion>
                  <xcdg:OrFilterCriterion.FirstFilterCriterion>
                     <xcdg:EqualToFilterCriterion>
                        <s:Int32>2</s:Int32>
                     </xcdg:EqualToFilterCriterion>
                  </xcdg:OrFilterCriterion.FirstFilterCriterion>
                  <xcdg:OrFilterCriterion.SecondFilterCriterion>
                     <xcdg:EqualToFilterCriterion>
                        <s:Int32>3</s:Int32>
                     </xcdg:EqualToFilterCriterion>
                  </xcdg:OrFilterCriterion.SecondFilterCriterion>
               </xcdg:OrFilterCriterion>
            </xcdg:DataGridItemProperty.FilterCriterion>
         </xcdg:DataGridItemProperty>
        </xcdg:DataGridCollectionViewSource.ItemProperties>
     </xcdg:DataGridCollectionViewSource>
  </Grid.Resources>

  <xcdg:DataGridControl x:Name="OrdersGrid"
                        ItemsSource="{Binding Source={StaticResource cvs_orders}}">
     <xcdg:DataGridControl.View>
        <xcdg:TableView>
           <xcdg:TableView.FixedHeaders>
              <DataTemplate>
                <xcdg:FilterRow Background="Pink" />
              </DataTemplate>
           </xcdg:TableView.FixedHeaders>
        </xcdg:TableView>
     </xcdg:DataGridControl.View>
  </xcdg:DataGridControl>
</Grid>