xslt轉換－於xslt:for-each中加入流水號

 <xsl:for-each select="/函/聯絡方式">
   <TextBox Width="260" Height="Auto" BorderThickness="0,0,0,0"
      TextAlignment="Left" TextWrapping="Wrap" FontFamily="DFKai-SB" 
      Background="{x:Null}" BorderBrush="{x:Null}">
     <xsl:attribute name="Text">
       <xsl:value-of select="." />
     </xsl:attribute>
     <xsl:attribute name="x:Name">
        LET_COMMUNICATOR_DETAIL_ <xsl:number value="position()" format="1" />
     </xsl:attribute>
   </TextBox>
 </xsl:for-each>