Silverlight RadGridView的HeaderCellStyle样式

<UserControl x:Class="SilverlightApplication7.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
    xmlns:vsm="clr-namespace:System.Windows;assembly=System.Windows"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="500">

    <UserControl.Resources>

        <Style x:Key="TextBlockHeaderCellStyle" TargetType="telerik:GridViewHeaderCell">
            <Setter Property="Background" Value="#EAEFF0" />
            <Setter Property="BorderBrush" Value="#D8E5EC" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="VerticalContentAlignment" Value="Center" />
            <Setter Property="HorizontalContentAlignment" Value="Stretch" />
            <Setter Property="Padding" Value="5,0,3,0" />
            <Setter Property="Foreground" Value="Black" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="telerik:GridViewHeaderCell">
                        <Grid x:Name="PART_HeaderCellGrid">

                            <Border x:Name="GridViewHeaderCell" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
                                <Border BorderBrush="Transparent" Background="{TemplateBinding Background}" BorderThickness="0" />
                            </Border>

                            <ContentControl x:Name="ContentPresenter" Foreground="{TemplateBinding Foreground}"
                                            Margin="{TemplateBinding Padding}" IsTabStop="{TemplateBinding IsTabStop}"
                                            Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"
                                            VerticalAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" 
                                            VerticalContentAlignment="Stretch" HorizontalContentAlignment="Stretch"/>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

    </UserControl.Resources>

    <Grid Background="White" Margin="10">
        <telerik:RadGridView x:Name="gridUser" FontWeight="Bold" Height="Auto" ShowGroupPanel="False" Background="#FFFFFF" BorderBrush="#FFFFFF" 
                             CanUserReorderColumns="False" CanUserSortColumns="False" CanUserFreezeColumns="False" AutoGenerateColumns="False"
                             AreRowDetailsFrozen="False" SelectionMode="Single" RowIndicatorVisibility="Collapsed" IsReadOnly="True"
                             HorizontalAlignment="Stretch" VerticalAlignment="Top">
            <telerik:RadGridView.Columns>

                <telerik:GridViewDataColumn Header="用 户" DataMemberBinding="{Binding userName}" HeaderCellStyle="{StaticResource TextBlockHeaderCellStyle}" HeaderTextAlignment="Center" TextAlignment="Left" Width="1*" />

                <telerik:GridViewDataColumn Header="地 址" DataMemberBinding="{Binding userAdd}" HeaderCellStyle="{StaticResource TextBlockHeaderCellStyle}" HeaderTextAlignment="Center" TextAlignment="Left" Width="1*" />

            </telerik:RadGridView.Columns>
        </telerik:RadGridView>
    </Grid>
</UserControl>