<Grid>
            <StackPanel>
                <TextBlock x:Name="MyText" Text="Empty" />
            </StackPanel>
            <StackPanel Orientation="Horizontal">
                <TextBox x:Name="MyTextBox" Height="50" Width="50" />
                <Button Click="Button_Click" Content="Send to ASP.NET" Height="50" Width="50" />
            </StackPanel>
        </Grid>