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POListPicker doesn't expand in StackPanel on WP7
 

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    <p>Another day another problem, this time I think with a simple issue into XAML formatting.</p> <p>I have a ListPicker in a StackPanel on a XAML page in a WP7 app. Whenever I tap the ListPicker, it expands, but it appears to expand behind the item below it. If I have enough items in the list it opens in full screen mode which works fine.</p> <p>Any suggestions, pointers would be appreciated;</p> <pre><code>&lt;Grid Name="grdBought"&gt; &lt;StackPanel Visibility="Visible" Margin="0,0,0,0" Height="480"&gt; &lt;Button Name="btnSave" Grid.Row="0" Content="Save" Height="100" HorizontalAlignment="Left" Margin="0,0,0,0" VerticalAlignment="Top" Width="378" Click="btnSave_Click" /&gt; &lt;StackPanel Grid.Row="1" Orientation="Vertical"&gt; &lt;toolkit:ListPicker Name="CategoryPicker" Header="Select Category" HorizontalAlignment="Left" ItemsSource="{Binding Categories}" CacheMode="BitmapCache" TabIndex="0" Margin="0,0,0,0" SelectionChanged="CategoryPicker_SelectionChanged" Height="100" Width="195"&gt; &lt;toolkit:ListPicker.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;StackPanel Orientation="Vertical" HorizontalAlignment="Left"&gt; &lt;TextBlock Text="{Binding CategoryDesc}" FontFamily="{StaticResource PhoneFontFamilySemiBold}" FontSize="{StaticResource PhoneFontSizeMediumLarge}" /&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/toolkit:ListPicker.ItemTemplate&gt; &lt;toolkit:ListPicker.FullModeItemTemplate&gt; &lt;DataTemplate&gt; &lt;StackPanel Name="item" Orientation="Vertical" Margin="0, 0, 0, 0"&gt; &lt;TextBlock Margin="0, 0, 0, 0" Text="{Binding CategoryDesc}" FontSize="40" TextWrapping="Wrap" /&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/toolkit:ListPicker.FullModeItemTemplate&gt; &lt;/toolkit:ListPicker&gt; &lt;StackPanel Name="Items" Grid.Row="1" Orientation="Horizontal"&gt; &lt;TextBox Name="txtDescription" Height="100" Margin="0,0,0,0" Text="" Width="225" MaxLength="100" FontSize="40" InputScope="Text" /&gt; &lt;TextBox Name="txtAmount" HorizontalAlignment="Left" Text="0.00" Height="100" Margin="0,0,0,0" TextAlignment="Right" FontSize="40" FontFamily="Segoe WP Semibold" Width="163" KeyUp="txtAmount_KeyUp" /&gt; &lt;/StackPanel&gt; &lt;/StackPanel&gt; &lt;TextBlock Name="tb1" Text="Amount" Height="27" Margin="0,0,0,0" Width="137" /&gt; &lt;Button Name="button1" Content="Button" Height="72" HorizontalAlignment="Left" Margin="249,0,0,0" VerticalAlignment="Top" Width="160" Click="button1_Click" /&gt; &lt;/StackPanel&gt; </code></pre> <p></p> <p>I have been through the examples on the windowsphonegeek.com site, but I still can't make it work!</p>
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    1. CO"It appears to expand behind the item below it." You sure? Or it doesn't expand at all?
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    2. COWhy are you setting the ListPicker height to 100? That's definitely a problem - a single item displayed is probably ~75 px, so you'd never see more than 1 of them. Don't set a height at all
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      1. USWilliam Melani
    3. COIt definitely expands - If I increase the Listpicker height property I can see it expand, it just doesn't push down the items below it in the StackPanel
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