我正在一个显示表格的项目中。我正在使用网格显示表格。现在，我想在每行旁边添加“ +”按钮。单击“ +”按钮将在该行下显示一个子表。这是没有实现该功能的代码的一部分：
<Grid Name="ContentName" Grid.Row="1" Background="#FFFBFBFB" Margin="10,10,10,10" ScrollViewer.CanContentScroll="True" ScrollViewer.HorizontalScrollBarVisibility="Auto">
<Grid.Effect>
<DropShadowEffect BlurRadius="20" Color="#FF858585" RenderingBias="Quality" ShadowDepth="1"/>
</Grid.Effect>
<Grid Name ="Tables" Margin="30">
<Grid.RowDefinitions>
<RowDefinition Height="80"/>
<RowDefinition Height="60"/>
<RowDefinition Height="60"/>
<RowDefinition Height="60"/>
<RowDefinition Height="60"/>
<RowDefinition Height="60"/>
<RowDefinition Height="60"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="170"></ColumnDefinition>
<ColumnDefinition Width="120"></ColumnDefinition>
<ColumnDefinition Width="60"></ColumnDefinition>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition Width="100"></ColumnDefinition>
<ColumnDefinition Width="100"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Border Grid.Row="0" Grid.Column="0" BorderBrush="Black" BorderThickness="1,1,1,1" />
<TextBlock Grid.Row="0" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center">
Expand each section to answer <LineBreak/>
each Risk Attribute Statement <LineBreak/>
[i.e. activity, service or product]
</TextBlock>
<Border Grid.Row="0" Grid.Column="1" BorderBrush="Black" BorderThickness="0,1,1,1" />
<TextBlock Grid.Row="0" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center">
Category Inherent <LineBreak/>
Risk
</TextBlock>
<Border Grid.Row="0" Grid.Column="2" Background="Coral"/>
<TextBlock Grid.Row="0" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center">
Select <LineBreak/>
Risk <LineBreak/>
Level
</TextBlock>
<Border Grid.Row="0" Grid.Column="3" Background="#FFDCE6F1" />
<TextBlock Grid.Row="0" Grid.Column="3" HorizontalAlignment="Center" VerticalAlignment="Center">
Least(1)
</TextBlock>
<Border Grid.Row="0" Grid.Column="4" Background="#FFB8CCE4" />
<TextBlock Grid.Row="0" Grid.Column="4" HorizontalAlignment="Center" VerticalAlignment="Center">
Minimal(2)
</TextBlock>
<Border Grid.Row="0" Grid.Column="5" Background="#FF95B3D7" />
<TextBlock Grid.Row="0" Grid.Column="5" HorizontalAlignment="Center" VerticalAlignment="Center">
Moderate(3)
</TextBlock>
<Border Grid.Row="0" Grid.Column="6" Background="#FF366092" />
<TextBlock Grid.Row="0" Grid.Column="6" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="White">
Significant(4)
</TextBlock>
<Border Grid.Row="0" Grid.Column="7" Background="#FF244062" />
<TextBlock Grid.Row="0" Grid.Column="7" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="White">
Most(5)
</TextBlock>
<Border Grid.Row="1" Grid.Column="0" BorderBrush="Black" BorderThickness="1,0,1,1" />
<TextBlock Grid.Row="1" Grid.Column="0" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="10,0,0,0">
Category 1:
Technologies and <LineBreak/>
Connection Types
</TextBlock>
<Border Grid.Row="2" Grid.Column="0" BorderBrush="Black" BorderThickness="1,0,1,1" />
<TextBlock Grid.Row="2" Grid.Column="0" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="10,0,0,0">
Category 2:
Delivery Channels
</TextBlock>
<Border Grid.Row="3" Grid.Column="0" BorderBrush="Black" BorderThickness="1,0,1,1" />
<TextBlock Grid.Row="3" Grid.Column="0" HorizontalAlignment="Left" VerticalAlignment="Center" Margin ="10,0,0,0">
Category 3: <LineBreak/>
Online/Mobile Products <LineBreak/>
and Technology Services
</TextBlock>
<Border Grid.Row="4" Grid.Column="0" BorderBrush="Black" BorderThickness="1,0,1,1" />
<TextBlock Grid.Row="4" Grid.Column="0" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="10,0,0,0">
Category 4: <LineBreak/>
Organizational Characteristics
</TextBlock>
<Border Grid.Row="5" Grid.Column="0" BorderBrush="Black" BorderThickness="1,0,1,1" />
<TextBlock Grid.Row="5" Grid.Column="0" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="10,0,0,0">
Category 5: External Threats
</TextBlock>
<Border Grid.Row="1" Grid.Column="1" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="1" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="1" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="1" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="1" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="1" Grid.Column="2" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="2" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="2" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="2" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="2" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="1" Grid.Column="3" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="3" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="3" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="3" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="3" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="1" Grid.Column="4" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="4" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="4" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="4" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="4" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="1" Grid.Column="5" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="5" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="5" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="5" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="5" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="1" Grid.Column="6" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="6" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="6" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="6" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="6" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="1" Grid.Column="7" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="2" Grid.Column="7" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="3" Grid.Column="7" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="4" Grid.Column="7" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Border Grid.Row="5" Grid.Column="7" BorderBrush="Black" BorderThickness="0,0,1,1" />
<Expander Grid.Row="6" Grid.Column="0" Header="More Options">
<StackPanel Margin="10,4,0,0">
<ScrollBar Orientation="Vertical"
Minimum="1" Maximum="100"
Value="10"
/>
<CheckBox Margin="4" Content="Option 1" />
<CheckBox Margin="4" Content="Option 2" />
<CheckBox Margin="4" Content="Option 3" />
</StackPanel>
</Expander>
</Grid>
</Grid>
输出为： Screenshot
如何实现此功能？有显示表格的更好方法吗？
