invoice.xaml

<StackPanel
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Background="Cornsilk">

  <StackPanel.Resources>
    <XmlDataProvider x:Key="InvoiceData" Source="c:\invoice.xml" XPath="/invoice"/>
    <DataTemplate x:Key="InvoiceTemplate">

      <StackPanel Margin="5">

        <TextBlock FontSize="12" FontWeight="Bold" Foreground="Black">

          <TextBlock.Text><Binding XPath="itemcode"/></TextBlock.Text>
          
        </TextBlock>
        <TextBlock FontSize="12" FontWeight="Bold" Foreground="Black">
          <TextBlock.Text>            <Binding XPath="qty"/>
          </TextBlock.Text>
        </TextBlock>
        <TextBlock FontSize="12" FontWeight="Bold" Foreground="Black">
          <TextBlock.Text>
            <Binding XPath="amount"/>
          </TextBlock.Text>
        </TextBlock>
      </StackPanel>
    </DataTemplate>


  </StackPanel.Resources>

  

    <TextBlock FontSize="14" FontWeight="Bold" Margin="10">Invoice</TextBlock>

    <ListBox

         Background="#fff"

         BorderThickness="2"

         BorderBrush="White"

         Margin="10"

         ItemsSource="{Binding Source={StaticResource InvoiceData}, XPath=invoiceline}"

         ItemTemplate="{StaticResource InvoiceTemplate}"/>

  </StackPanel>