Dot-Net
當綁定的列表視圖沒有項目時顯示一些文本
以下是綁定到類的列表視圖的語法….
<ListView ItemContainerStyle="{StaticResource listViewStyle}" Name="transactionListView" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" ItemsSource="{Binding}" MouseDoubleClick="transactionListView_MouseDoubleClick" IsSynchronizedWithCurrentItem="True" > <ListView.View> <GridView ColumnHeaderContainerStyle="{StaticResource gridViewHeaderColumnStyle}"> <GridView.Columns> <GridViewColumn Width="70" Header="Serial" DisplayMemberBinding="{Binding Path=Serial}" /> <GridViewColumn Width="100" Header="Date" DisplayMemberBinding="{Binding Path=Date, StringFormat={}{0:dd-MM-yyyy}}" /> <GridViewColumn Width="200" Header="Seller" DisplayMemberBinding="{Binding Path=Seller}" /> <GridViewColumn Width="200" Header="Buyer" DisplayMemberBinding="{Binding Path=Buyer}" /> <GridViewColumn Width="70" Header="Bales" DisplayMemberBinding="{Binding Path=Bales}" /> </GridView.Columns> </GridView> </ListView.View> </ListView>*當列表為空或不包含任何項目時,如何顯示一些文本?
訣竅在於覆蓋 ListView 的模板。當 ListView 中沒有項目時,您應該使用 TextBlock 設置 ControlTemplate:
<ListView Name="List" ItemsSource="{Binding Items}"> <ListView.Style> <Style TargetType="ListView"> <Style.Triggers> <Trigger Property="HasItems" Value="False"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="ListView"> <TextBlock Text="No items..."/> </ControlTemplate> </Setter.Value> </Setter> </Trigger> </Style.Triggers> </Style> </ListView.Style> </ListView>