[英]Silverlight - ListBox under an other ListBox - Databinding Question
我有一個包含所有類別的列表框,每個類別將包含另一個列表框中的子類別我如何進行數據綁定?
每個包含“Boards”作為子類別的“Category”這是我的 xaml
<ListBox Background="Transparent" BorderThickness="0" Grid.Row="3" Grid.ColumnSpan="2" Margin="0" Padding="0" HorizontalContentAlignment="Stretch" ItemContainerStyle="{StaticResource ListBoxItemStyle}" ItemsSource="{StaticResource designTimeCategoriesDS}" DataContext="{StaticResource designTimeCategoriesDS}">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel x:Name="Category" Orientation="Vertical" HorizontalAlignment="Stretch">
<Border CornerRadius="6" Padding="0" Margin="0" Height="30" HorizontalAlignment="Stretch">
<Border.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FF6D869F" Offset="0"/>
<GradientStop Color="#FFA6BACE" Offset="1"/>
</LinearGradientBrush>
</Border.Background>
<sdk:Label x:Name="CategoryName" FontSize="16" Margin="8,0" Foreground="White" FontWeight="Bold" Height="30" HorizontalAlignment="Stretch"/>
</Border>
<ListBox x:Name="CategoryBoards" Background="Transparent" BorderThickness="0" Margin="0" Padding="0" HorizontalContentAlignment="Stretch" ItemContainerStyle="{StaticResource ListBoxItemStyle}" ItemsSource="{Binding }">
<ListBox.ItemTemplate>
<DataTemplate>
<Grid Margin="0" HorizontalAlignment="Stretch">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="70"/>
<ColumnDefinition Width="350*"/>
<ColumnDefinition Width="70*"/>
<ColumnDefinition Width="70*"/>
</Grid.ColumnDefinitions>
<HyperlinkButton FontSize="16" Margin="0,0,0,1" Padding="8" Foreground="Black" FontWeight="Bold" VerticalAlignment="Stretch" Background="#FFE7EAEF"></HyperlinkButton>
<StackPanel Grid.Column="1" Margin="1,0,0,1" Background="#FFF0F4F7">
<HyperlinkButton FontSize="14" Margin="0" Padding="8,8,8,0" Foreground="#FFD97B33" FontWeight="Bold" Content="{Binding Path=CategoryBoards.BoardName}" />
<sdk:Label Margin="0" Padding="8,0,8,8" Foreground="Black" Content="{Binding Path=CategoryBoards.BoardDescription}" />
</StackPanel>
<StackPanel Grid.Column="2" Margin="1,0,0,1" Background="#FFE7EAEF">
<sdk:Label Margin="0" Padding="8,8,8,0" Content="{Binding Path=BoardPosts}" />
<sdk:Label Margin="1,0,0,1" Padding="8,0,8,8" Content="{Binding Path=BoardTopics}" />
</StackPanel>
<StackPanel Grid.Column="3" Margin="1" Background="#FFF0F4F7">
<sdk:Label Margin="0" Padding="4,2,4,0" Content="Last post by {User}"/>
<sdk:Label Margin="0" Padding="4,0,4,0" Content="in {Topic Name}"/>
<sdk:Label Margin="0" Padding="4,0,4,2" Content="on {Date}"/>
</StackPanel>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
只需快速瀏覽一下您的代碼,您唯一需要做的就是更改這一行:
<ListBox x:Name="CategoryBoards" Background="Transparent" BorderThickness="0"
Margin="0" Padding="0" HorizontalContentAlignment="Stretch"
ItemContainerStyle="{StaticResource ListBoxItemStyle}"
ItemsSource="{Binding }">
對此:
<ListBox x:Name="CategoryBoards" Background="Transparent" BorderThickness="0"
Margin="0" Padding="0" HorizontalContentAlignment="Stretch"
ItemContainerStyle="{StaticResource ListBoxItemStyle}"
ItemsSource="{Binding Boards}">
您的內部 ListBox 的 DataContext 將是 Category,因此該綁定的源隱含地是 Category。
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