I have vb code along with xml.and i need to populate simple xml file in list box in silverlight appliction ,but its not rendering any thing
Code:
<UserControl xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls"  xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"  x:Class="SilverlightApplication1.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" 
    mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480">

    <Grid x:Name="LayoutRoot" Background="White">
        <ListBox x:Name="customersList" Width="400" Height="200" />
    </Grid>
</UserControl>
Code:
Private Sub PopulateCustomersList()
        Dim settings As New XmlReaderSettings()
        settings.XmlResolver = New XmlXapResolver()
        Dim reader As XmlReader = XmlReader.Create("Customers.xml")
        reader.MoveToContent()
        While reader.Read()
            If reader.NodeType = XmlNodeType.Element AndAlso reader.Name = "customer" Then
                customersList.Items.Add(New ListBoxItem())
            End If
            If reader.NodeType = XmlNodeType.EndElement AndAlso reader.Name = "customers" Then
                Exit While
            End If
        End While
        reader.Close()
    End Sub
Code:
 Private Sub Btn_hello_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs)

        MessageBox.Show("Hello World")

        PopulateCustomersList()
           End Sub