这是来自 Telerik 演示的示例 GridView ，但我想知道如何删除对项目进行分组后出现的这些网格线。
最佳答案
这是我正在处理的 Gridviewgroupstyle 代码
<Style x:Key="GridViewGroupRowStyle1" TargetType="{x:Type telerik:GridViewGroupRow}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type telerik:GridViewGroupRow}">
<Grid x:Name="PART_GroupExpanderGrid">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition x:Name="PART_HeaderRow" MinHeight="{TemplateBinding MinHeight}"/>
<RowDefinition x:Name="ContentRow" Height="Auto"/>
</Grid.RowDefinitions>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="ExpandStateGroup">
<VisualState x:Name="Expanded">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="Content">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="BottomBorder">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderThickness" Storyboard.TargetName="IconOuterBorder">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Thickness>0</Thickness>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderThickness" Storyboard.TargetName="IconInnerBorder">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Thickness>1,1,0,0</Thickness>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="0" Storyboard.TargetProperty="(UIElement.RenderTransform).(RotateTransform.Angle)" Storyboard.TargetName="ExpanderButton">
<EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="180"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Collapsed">
<Storyboard>
<DoubleAnimationUsingKeyFrames BeginTime="0" Storyboard.TargetProperty="(UIElement.RenderTransform).(RotateTransform.Angle)" Storyboard.TargetName="ExpanderButton">
<EasingDoubleKeyFrame KeyTime="0:0:0.2" Value="0"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Border x:Name="ToggleButtonBorder" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" Grid.Column="2" MinHeight="{TemplateBinding MinHeight}" telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="25"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Border Grid.Column="2" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
<Border.Visibility>
<Binding Path="ShowHeaderAggregates" RelativeSource="{RelativeSource TemplatedParent}">
<Binding.Converter>
<telerik:BooleanToVisibilityConverter/>
</Binding.Converter>
</Binding>
</Border.Visibility>
<telerik:AggregateResultsList HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" IsTabStop="False" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
<telerik:AggregateResultsList.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel IsItemsHost="True" Orientation="Horizontal"/>
</ItemsPanelTemplate>
</telerik:AggregateResultsList.ItemsPanel>
<telerik:AggregateResultsList.ItemTemplate>
<DataTemplate>
<telerik:GridViewAggregateResultCell AggregateResult="{Binding}" IsTabStop="False">
<telerik:StyleManager.Theme>
<telerik:Office_BlackTheme/>
</telerik:StyleManager.Theme>
</telerik:GridViewAggregateResultCell>
</DataTemplate>
</telerik:AggregateResultsList.ItemTemplate>
</telerik:AggregateResultsList>
</Border>
<Border x:Name="IconOuterBorder" BorderBrush="Transparent" BorderThickness="0,0,0,1" Background="Transparent" HorizontalAlignment="Stretch" telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical">
<Border x:Name="IconInnerBorder" BorderBrush="White" BorderThickness="1,1,0,1">
<Path x:Name="ExpanderButton" Grid.Column="0" Data="M0,0L1,0 2,0 2,0.99999991 3,0.99999991 3,2 4,2 4,0.99999991 5,0.99999991 5,0 5.9999999,0 7,0 7,0.99999991 5.9999999,0.99999991 5.9999999,2 5,2 5,3 4,3 4,4 3,4 3,3 2,3 2,2 1,2 1,0.99999991 0,0.99999991z" Fill="Black" HorizontalAlignment="Left" Height="5" Margin="{TemplateBinding Padding}" RenderTransformOrigin="0.5,0.5" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Width="7">
<Path.RenderTransform>
<RotateTransform/>
</Path.RenderTransform>
</Path>
</Border>
</Border>
<ToggleButton x:Name="HeaderButton" Background="{TemplateBinding Background}" Grid.ColumnSpan="3" Grid.Column="0" IsTabStop="{TemplateBinding IsTabStop}" IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Opacity="0" telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical"/>
<ToggleButton BorderBrush="{x:Null}" BorderThickness="0" Background="Transparent" Grid.Column="1" IsTabStop="{TemplateBinding IsTabStop}" IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Padding="0,0,10,0" telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical">
<ToggleButton.Style>
<Style TargetType="{x:Type ToggleButton}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border BorderBrush="Transparent" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
<ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="9,0,0,0"/>
</Style>
</ToggleButton.Style>
<ContentPresenter ContentTemplate="{TemplateBinding GroupHeaderTemplate}" Content="{TemplateBinding GroupViewModel}" Grid.Column="1" Margin="0,0,10,0" VerticalAlignment="Center"/>
</ToggleButton>
<Border BorderBrush="Transparent" BorderThickness="0,0,0,0" Grid.ColumnSpan="2" Grid.Column="1" telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True">
<Border BorderBrush="White" BorderThickness="0,1,1,1"/>
</Border>
</Grid>
</Border>
<Border x:Name="PART_IndicatorPresenter" BorderBrush="Transparent" BorderThickness="0,0,1,1" Grid.Column="0" telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical" Visibility="{TemplateBinding RowIndicatorVisibility}" VerticalAlignment="Stretch" Width="25">
<Border BorderBrush="White" BorderThickness="1" Background="#FFE4E4E4"/>
</Border>
<telerik:IndentPresenter Background="{TemplateBinding Background}" Grid.Column="1" IsTabStop="False" IndentLevel="{TemplateBinding Level}" telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical">
<telerik:StyleManager.Theme>
<telerik:Office_BlackTheme/>
</telerik:StyleManager.Theme>
</telerik:IndentPresenter>
<Border x:Name="Content" Grid.ColumnSpan="5" Grid.Column="0" Grid.Row="1" Visibility="Collapsed">
<StackPanel>
<telerik:GridViewVirtualizingPanel x:Name="PART_GridViewVirtualizingPanel" CanHorizontallyScroll="False" CanVerticallyScroll="False"/>
<telerik:GridViewGroupFooterRow x:Name="Footer" IsTabStop="False">
<telerik:StyleManager.Theme>
<telerik:Office_BlackTheme/>
</telerik:StyleManager.Theme>
</telerik:GridViewGroupFooterRow>
</StackPanel>
</Border>
<Border x:Name="BottomBorder" BorderBrush="Transparent" BorderThickness="0,0,0,1" Grid.Column="2" Grid.Row="1" telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True" Visibility="Collapsed" VerticalAlignment="Bottom"/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="GroupHeaderTemplate">
<Setter.Value>
<DataTemplate>
<ContentPresenter Content="{Binding Header}"/>
</DataTemplate>
</Setter.Value>
</Setter>
<Setter Property="Background" Value="#FFE4E4E4"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="Padding" Value="10,0,0,0"/>
<Setter Property="MinHeight" Value="25"/>
<Setter Property="AllowDrop" Value="True"/>
<Setter Property="SnapsToDevicePixels" Value="True"/>
</Style>
关于wpf - 从 RadGridView WPF c# 中删除分组网格线，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/15552425/