我有一個綁定到List的ListBox,它有一個DataTemplate作爲它的項目。除了第二個TextBlock的可見性,DataTemplate中的所有東西都很好用!我不明白我在做什麼錯了,我不希望使用轉換器,我已經檢查了這些鏈接:DataTrigger用於DataTemplate中的控件不可見的工作
Bind Bool to Visibility of TextBlock within a ListBox
Binding a Button's visibility to a bool value in ViewModel
<ListBox Name="lsb_Jobs" Grid.Column="3" Grid.Row="2" Grid.RowSpan="6" ScrollViewer.HorizontalScrollBarVisibility="Disabled"
BorderThickness="0,1,0,0" Padding="0,5" Margin="0,10,5,5">
<ListBox.ItemTemplate>
<DataTemplate>
<Grid Height="45">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="25"/>
<ColumnDefinition Width="250"/>
<ColumnDefinition Width="100"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.Style>
<Style TargetType="Grid">
<Style.Triggers>
<DataTrigger Binding="{Binding Importance}" Value="0">
<Setter Property="Background" Value="LimeGreen"/>
</DataTrigger>
<DataTrigger Binding="{Binding Importance}" Value=".25">
<Setter Property="Background" Value="NavajoWhite"/>
</DataTrigger>
<DataTrigger Binding="{Binding Importance}" Value=".5">
<Setter Property="Background" Value="Gold"/>
</DataTrigger>
<DataTrigger Binding="{Binding Importance}" Value=".75">
<Setter Property="Background" Value="Orange"/>
</DataTrigger>
<DataTrigger Binding="{Binding Importance}" Value="1">
<Setter Property="Background" Value="OrangeRed"/>
</DataTrigger>
</Style.Triggers>
</Style>
</Grid.Style>
<CheckBox Name="chb_IsDone" IsChecked="{Binding Done}" FlowDirection="LeftToRight" Checked="job_Done_Checked" Unchecked="job_Done_Checked"/>
<TextBlock Text="{Binding Subject}" Grid.Column="1" Foreground="Black" VerticalAlignment="Center" FontSize="14"/>
<TextBlock Text="Done" Grid.Column="3" HorizontalAlignment="Right" VerticalAlignment="Center" Visibility="Hidden" Margin="0,0,170,0">
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<DataTrigger Binding="{Binding Done}" Value="True">
<Setter Property="Visibility" Value="Visible"/>
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
你能告訴我爲什麼它不工作?!我做了和其他控件一樣的事情!他們工作,但TextBlock不可見! TextBlock!的Visibility屬性有問題嗎?我已經嘗試過FrameworkElement.Visibility,但這也不起作用
是的!這就是我要說的:) –