Expandable node doesnt show text

[ss]

Hello,

I have problem with TreeView. I have following code:

<UserControl xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"  x:Class="AdministrationClient.Pages.SettingsManagerPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    xmlns:core="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls"
    xmlns:telerikNavigation="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation"
    xmlns:local="clr-namespace:AdministrationClient"
    d:DesignHeight="300" d:DesignWidth="400">

    <UserControl.Resources>

        <core:HierarchicalDataTemplate x:Key="SettingsTreeNodeTemplate" ItemsSource="{Binding Children}">
            <core:HierarchicalDataTemplate.ItemTemplate>
                <DataTemplate>
                    <TextBlock Text="{Binding Text}" TextWrapping="Wrap" Width="400"/>
                </DataTemplate>
            </core:HierarchicalDataTemplate.ItemTemplate>
        </core:HierarchicalDataTemplate>

    </UserControl.Resources>

    <Grid x:Name="LayoutRoot" Background="White">

        <Grid.RowDefinitions>
            <RowDefinition Height="22" />
            <RowDefinition />
        </Grid.RowDefinitions>

        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="500" />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <StackPanel Orientation="Horizontal" Grid.Row="0" Grid.ColumnSpan="2" FlowDirection="RightToLeft">
            <telerik:RadButton Name="btnNewSettingsItem" Width="55" Height="22" Content="New" />
            <TextBox Text="{Binding Path=Name}"></TextBox>
        </StackPanel>

        <telerikNavigation:RadTreeView
            Grid.Row="1"
            Grid.Column="0"
            Name="rtvSettingsTree"
            ItemsSource="{Binding SettingsTree}"
            ItemTemplate="{StaticResource SettingsTreeNodeTemplate}">
        </telerikNavigation:RadTreeView>

    </Grid>

</UserControl>

I dont know why but result of this code is TreeView which is shown in the following picture:
http://i27.tinypic.com/33f4wgp.png

Can you please tell my why expandable node doesnt show text?

My Next question is how to show more than two levels? Just now, TreeView is able to show only 2 levels but I dont know number of levels. Is it possible?

Thank you very much.

 

 

 

[Hristo]

Hello,

You need to include the <TextBlock Text="{Binding Text}" /> for the outer HierarchicalDataTemplate. This way you are going to define the template for the first tree level. By setting the ItemTemplate property you are defining template for the children (second level).

I recommend you to take a look of the examples available at
http://demos.telerik.com/silverlight/#TreeView
especially the
http://demos.telerik.com/silverlight/#TreeView/HierarchicalTemplate .

Regarding your second question you can see the following resource
http://www.telerik.com/help/silverlight/radtreeview-templating-hierarchical-data-templates.html .

Best wishes,
Hristo Milyakov
the Telerik team