Hi, I've tried to remove the border around the headers with the approach outlined in another thread but it doesn't work. How can I get rid of the inner border in the header cells of the treelistview? It shouldn't be this hard to get rid of borders. I am using the Q3 release.
<telerik:RadTreeListView x:Name="publicationsTreeView" Style="{StaticResource TreeView}" RowStyle="{StaticResource TreeListViewRowStyle}"
AlternateRowStyle="{StaticResource TreeListViewAlternateRowStyle}" HeaderRowStyle="{StaticResource TreeListHeaderRowStyle}">
<telerik:RadTreeListView.ChildTableDefinitions>
<telerik:TreeListViewTableDefinition ItemsSource="{Binding Publications}" />
</telerik:RadTreeListView.ChildTableDefinitions>
<telerik:RadTreeListView.Columns>
<telerik:GridViewDataColumn DataMemberBinding="{Binding Name}" Header="Title" Width="250" HeaderCellStyle="{StaticResource TreeViewHeaderCell}" />
<telerik:GridViewDataColumn Header="Last published" Width="100" DataMemberBinding="{Binding LastPublished}" HeaderCellStyle="{StaticResource TreeViewHeaderCell}" >
<telerik:GridViewDataColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding LastPublished, Converter={StaticResource dateConverter}}" />
</DataTemplate>
</telerik:GridViewDataColumn.CellTemplate>
</telerik:GridViewDataColumn>
<telerik:GridViewDataColumn DataMemberBinding="{Binding FrequencyName}" Width="58" Header="" HeaderCellStyle="{StaticResource TreeViewHeaderCell}"/>
<telerik:GridViewDataColumn Header="Read" Width="40" DataMemberBinding="{Binding ReadInformation.ReadImageUrl}" HeaderCellStyle="{StaticResource TreeViewHeaderCell}">
<telerik:GridViewDataColumn.CellTemplate>
<DataTemplate>
<Image Source="{Binding ReadInformation.ReadImageUrl}" Width="20" Height="20">
<ToolTipService.ToolTip>
<StackPanel Visibility="{Binding ReadInformation.Status, Converter={StaticResource tooltipVisibilityConverter}}" Width="300" >
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding ReadInformation.Status, Converter={StaticResource readConverter}}" FontWeight="Bold" />
<TextBlock Text=" - " />
<TextBlock Text="{Binding Name}" />
</StackPanel>
<Line Style="{StaticResource TitleSeparator}" />
<TextBlock Text="{Binding ReadInformation.Status, Converter={StaticResource readTextConverter}}" />
<StackPanel Visibility="{Binding ReadInformation.Status, Converter={StaticResource partialReadVisibilityConverter}}">
<TextBlock Text=" " />
<StackPanel Orientation="Horizontal">
<TextBlock Text="Date: " />
<TextBlock Text="{Binding ReadInformation.Date, StringFormat='dd MMM yyyy'}" />
</StackPanel>
<StackPanel Orientation="Horizontal">
<TextBlock Text="Time: " />
<TextBlock Text="{Binding ReadInformation.Date, StringFormat='hh:mmtt'}" />
</StackPanel>
<StackPanel Orientation="Horizontal">
<TextBlock Text="Method: " />
<TextBlock Text="{Binding ReadInformation.Method}" />
</StackPanel>
</StackPanel>
</StackPanel>
</ToolTipService.ToolTip>
</Image>
</DataTemplate>
</telerik:GridViewDataColumn.CellTemplate>
</telerik:GridViewDataColumn>
</telerik:RadTreeListView.Columns>
</telerik:RadTreeListView>
<Style x:Key="TreeView" TargetType="telerik:RadTreeListView">
<Setter Property="AlternateRowBackground" Value="#FFFFFFFF" />
<Setter Property="AutoGenerateColumns" Value="False" />
<Setter Property="RowIndicatorVisibility" Value="Collapsed" />
<Setter Property="IsFilteringAllowed" Value="False" />
<Setter Property="GridLinesVisibility" Value="None" />
<Setter Property="EditTriggers" Value="None" />
<Setter Property="CanUserResizeColumns" Value="False" />
<Setter Property="CanUserSelect" Value="False" />
<Setter Property="IsReadOnly" Value="True" />
<Setter Property="IsSynchronizedWithCurrentItem" Value="False" />
<Setter Property="CanUserFreezeColumns" Value="False" />
<Setter Property="AlternationCount" Value="2" />
<Setter Property="BorderBrush" Value="White" />
<Setter Property="BorderThickness" Value="0" />
<Setter Property="CanUserReorderColumns" Value="False"/>
<Setter Property="CanUserSortColumns" Value="False"/>
<Setter Property="ShowGroupPanel" Value="False"/>
<Setter Property="EnableColumnVirtualization" Value="False"/>
<Setter Property="EnableRowVirtualization" Value="False"/>
<Setter Property="DragElementAction" Value="None"/>
<Setter Property="IsDragPreviewEnabled" Value="False"/>
<Setter Property="IsDragTooltipEnabled" Value="False"/>
<Setter Property="IsDropPreviewLineEnabled" Value="False"/>
<Setter Property="ReorderColumnsMode" Value="None"/>
<Setter Property="CanUserDeleteRows" Value="False"/>
<Setter Property="CanUserInsertRows" Value="False"/>
</Style>
<Style x:Key="TreeListHeaderRowStyle" TargetType="telerik:GridViewHeaderRow">
<Setter Property="Background" Value="White"/>
<Setter Property="Foreground" Value="Black"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="Padding" Value="0"/>
</Style>
<Style x:Key="TreeViewHeaderCell" TargetType="telerik:GridViewHeaderCell">
<Setter Property="Background" Value="White"/>
<Setter Property="Foreground" Value="Black"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="Padding" Value="5"/>
</Style>
<Style x:Key="TreeListViewRowStyle" TargetType="Telerik_Windows_Controls_TreeListView:TreeListViewRow">
<Setter Property="Background" Value="#FFEEEEEE"/>
</Style>
<Style x:Key="TreeListViewAlternateRowStyle" TargetType="Telerik_Windows_Controls_TreeListView:TreeListViewRow">
<Setter Property="Background" Value="#FFFFFFFF"/>
</Style>