Scrollviewer не работает

Question

Я не могу заставить scrollviewer работать! Список не прокручивается. Может быть, вы можете мне помочь :)

<Grid x:Name="grid"> 
       <Grid.RowDefinitions> 
        <RowDefinition/> 
        <RowDefinition Height="Auto"/> 
       </Grid.RowDefinitions> 
       <ScrollViewer Margin="0" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto"> 
        <StackPanel VerticalAlignment="Top"> 
         <ListBox x:Name="KommentareListView" ItemsSource="{Binding}" Foreground="White" > 
          <ListBox.ItemTemplate> 
           <DataTemplate> 
            <Grid Margin="0,0,0,0"> 
             <Grid.ColumnDefinitions> 
              <ColumnDefinition Width="Auto"/> 
              <ColumnDefinition/> 
             </Grid.ColumnDefinitions> 
             <StackPanel Grid.Column="0" Background="#FF0083FF" Width="10" /> 
             <StackPanel Margin="10,5,10,5" Grid.Column="1"> 
              <TextBlock Text="{Binding Kommentar}" 
               FontSize="16" Margin="0,0,0,0" TextWrapping="Wrap" Foreground="Black"/> 
              <StackPanel Orientation="Horizontal" > 
               <TextBlock Text="{Binding Author}" 
                FontSize="12" Margin="0,0,0,0" Foreground="Black"/> 
               <TextBlock Text="{Binding Date}" 
                FontSize="12" Margin="30,0,0,0" Foreground="Black"/> 
              </StackPanel> 
             </StackPanel> 
            </Grid> 
           </DataTemplate> 
          </ListBox.ItemTemplate> 
         </ListBox> 
         <Button x:Name="mehrKommentareLaden" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,10,0,0" Height="45" Visibility="Collapsed" Content="mehr Kommentare laden" Click="mehrKommentareLaden_Click" /> 
        </StackPanel> 
       </ScrollViewer> 
       <StackPanel HorizontalAlignment="Left" VerticalAlignment="Bottom" Grid.Row="1"> 
        <StackPanel x:Name="AnmeldenPanel" VerticalAlignment="Bottom" Width="456" Visibility="Collapsed"> 
         <Button x:Name="AnmeldenButton" Content="Anmelden" VerticalAlignment="Center" BorderBrush="Black" Foreground="Black" Margin="0" Click="AnmeldenButton_Click"/> 
         <TextBlock TextWrapping="Wrap" Text="Du musst dich anmelden, um Kommentare zu verfassen." Margin="15,0,0,0"/> 
        </StackPanel> 
        <toolkit:PhoneTextBox x:Name="KommentarBox" Hint="Dein Kommentar..." LengthIndicatorVisible="True" LengthIndicatorThreshold="10" DisplayedMaxLength="240" TextWrapping="Wrap" Background="#BFB2B2B2" BorderBrush="#BFFFFFFF" Foreground="#91000000" SelectionBackground="#FF0083FF" SelectionForeground="White" Style="{StaticResource PhoneTextBoxWhiteBackground}" Height="74" Width="456"/> 
       </StackPanel> 
       <!--<Controls:WatermarkTextBox x:Name="KommentarTextBox" Margin="0,0,100,20" TextWrapping="Wrap" Watermark="Dein Kommentar...." Height="30" VerticalAlignment="Center" FontFamily="Calibri" FontSize="17.333" BorderBrush="#CC000000"/>--> 
      </Grid> 

Answer 1

Try делая List высоту до авто и все остальное на авто, который находится между List и ScrollView, как вы испытываете StackPanel.