WPF DataGrid详细列表手动显示与隐藏

设置显示序号与折叠显示样式

DataTemplate x:Key="dtNum">
    Button BorderBrush="Transparent" Style="{x:Null}" Click="BtnRowDetail_ShowHideClick" FontSize="16" Background="Transparent">
        StackPanel Orientation="Horizontal">
            TextBlock x:Name="tag" Text="﹣"/>
            
            TextBlock Text="{Binding rownum}"/>
        StackPanel>
    Button>
DataTemplate>

设置DataGrid详细列表

DataGrid ItemsSource="{Binding}"
          AutoGenerateColumns="False" IsReadOnly="True" 
          GridLinesVisibility="All"
          SelectionUnit="FullRow"
          RowDetailsVisibilityMode="Visible"
          ScrollViewer.CanContentScroll="False"
          AlternatingRowBackground="LightBlue"
          VerticalGridLinesBrush="{DynamicResource {x:Static SystemColors.MenuHighlightBrushKey}}"
          LoadingRowDetails="dgDetail_LoadingDetails"
          ColumnHeaderStyle="{StaticResource HeaderStyle}">
    DataGrid.Columns>
        
        DataGridTemplateColumn Header="#" Width="Auto" MinWidth="60" CellTemplate="{StaticResource dtNum}"/&g服务器托管网t;
        DataGridTextColumn Header="id" Binding="{Binding Path=id}" Width="Auto" Visibility="Hidden"/>
        DataGridTextColumn Header="工装编号" Binding="{Binding Path=gz_code}" Width="Auto" MinWidth="100"/>
        DataGridTextColumn Header="表芯编号" TextBlock.TextAlignment="Center" Binding="{Binding Path=chip_code}" Width="Auto" MinWidth="100"/>
        DataGridTemplateColumn Header="合格" Width="100" CellTemplate="{StaticResource dtJudge}"/>
        DataGridTextColumn Header="时间" Binding="{Binding Path=time, StringFormat='yyyy年MM月dd日 HH:mm:ss'}" Width="*"/>
    DataGrid.Columns>
    DataGrid.RowDetailsTemplate>
        DataTemplate>
            DataGrid
              ItemsSource="{Binding}"
              AutoGenerateColumns="False" IsReadOnly="True" 
              GridLinesVisibility="All"
              SelectionUnit="FullRow"
              ScrollViewer.CanContentScroll="False"
              AlternatingRowBackground="LightBlue"
              Margin="20 0 0 0"
              VerticalGridLinesBrush="{DynamicResource {x:Static SystemColors.MenuHighlightBrushKey}}"
              PreviewMouseWheel="DataGridDetail_PreviewMouseWheel"
              ColumnHeaderStyle="{StaticResource HeaderStyle}">
                DataGrid.Columns>
                    DataGridTextColumn Header="#" Binding="{Binding rownum}"  Width="Auto" MinWidth="40"/>
                    DataGridTextColumn Header="id" Binding="{Binding Path=id}" Width="Auto" Visibility="Hidden"/>
                    DataGridTextColumn Header="角度()" Binding="{Binding Path=angle, StringFormat={}{0:F0}}" Width="100"/>
                    DataGridTextColumn Header="电压(mv)" Binding="{Binding Path=voltage, StringFormat={}{0:F4}}" Width="100"/>
                    DataGridTemplateColumn Header="合格" Width="100" CellTemplate="{StaticResource dtJudge}"/>
                    DataGridTextColumn Header="时间" Binding="{Binding Path=time, StringFormat='yyyy年MM月dd日 HH:mm:ss'}" Width="*"/>
                DataGrid.Columns>
            DataGrid>
        DataTemplate>
    DataGrid.RowDetailsTemplate>
DataGrid>

详细列表鼠标滚轮支持后台代码

private void DataGridDetail_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
    var eventArg = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta)
    {
        RoutedEvent = MouseWheelEvent,
        Source = sender
    };
    (sender as DataGrid).RaiseEvent(eventArg);
}

行详细信息显示后台代码

priv服务器托管网ate void BtnRowDetail_ShowHideClick(object sender, RoutedEventArgs e)
{
    var obj = sender as DependencyObject;
    var tb = obj.FindChildTextBlock>("tag");
    if (null == tb) return;

    while (obj != null && !(obj is DataGridRow))
    {
        obj = VisualTreeHelper.GetParent(obj);
    }

    DataGridRow row = obj as DataGridRow;
    if (null == row) return;

    if (tb.Text.IndexOf("﹣") > -1)
    {
        row.DetailsVisibility = Visibility.Collapsed;
        tb.Text = "﹢";
    } else
    {
        row.DetailsVisibility = Visibility.Visible;
        tb.Text = "﹣";
    }
}

数据显示效果

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