Why i can't get the "bar" in code behind? Because i put in to data templete? How can i access?

Question

 <DataTemplate x:Name="SoundTitleTemplate"> 
    <ProgressBar x:Name="bar" Visibility="Visible" Height="0" Margin="20,30,130,0" />
 </DataTemplate>

in cs

    private void _webClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
    {
        try
        {
            if (_downloadCanceled)
                return;

            if (bar.Value <= bar.Maximum)
            {
                bar.Value = e.ProgressPercentage;
                bar.Text = string.Format("{0}%", e.ProgressPercentage);
            }

        }

    }

I got search any this topic, but no get help :( If you have any method, please show me, i try what i found, in the end is fail ~.~

Answer 1

This answer can help you: How can I get control in DataTemplate?

Also article about getting access to cotrol in DataTemmplate(but for WPF):

http://blogs.msdn.com/b/wpfsdk/archive/2007/04/16/how-do-i-programmatically-interact-with-template-generated-elements-part-ii.aspx