Silverlight TextBox problem

[MichaelLuna]

Textbox after value is not showing up in the code behind.
with or with out the binding
<TextBox x:Name="txtLastName" Text="{Binding LastName, Mode=TwoWay}"
Width="110" Margin="5,2,2,2"/>
<TextBox x:Name="txtLastName" Width="110" Margin="5,2,2,2"/>
Enter any Value at runtime
and click on a button
debug
txtBox.text shows now value