ListView、DataGrid 不显示列标题

 <!--ListView不显示列标题--> 

  <Style TargetType="{x:Type GridViewColumnHeader}">         

    <Setter Property="HorizontalContentAlignment" Value="Center"/>        

     <Setter Property="FrameworkElement.Visibility" Value="Hidden"/>    

 </Style>

 <!--DataGrid 不显示列标题-->

    <toolkit:DataGrid.ColumnHeaderStyle>          

               <Style TargetType="toolkit:DataGridColumnHeader">  

                           <Setter Property="HorizontalContentAlignment" Value="Center"/>          

                   <Setter Property="FrameworkElement.Visibility" Value="Hidden"/>         

                </Style>                 

    </toolkit:DataGrid.ColumnHeaderStyle>