Question

wpf treeview 怎么获取节点的值

<TreeView x:Name="departmentTree" HorizontalAlignment="Left" Height="auto" Width="280" Padding="20" SelectedItemChanged="departmentTree_SelectedItemChanged" BorderBrush="#FFE0DDDD" TreeViewItem.Selected="treeview_selected" >
<TreeView.ItemTemplate>
<HierarchicalDataTemplate ItemsSource="{Binding Nodes}" >
<DockPanel Margin="0,20,0,20" Width="200" >
<Image Source="{Binding picture}" Height="24" Width="24" />
<TextBlock Text="{Binding menuName}" Margin="30,0,0,0" VerticalAlignment="Center" FontSize="16" Foreground="Black" Name="Data"/>
</DockPanel>
</HierarchicalDataTemplate>
</TreeView.ItemTemplate>

Answer 1

protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
{
Response.Write(TreeView1.SelectedNode.Value);
}
protected void Button1_Click(object sender, EventArgs e)
{
if(TreeView1.SelectedNode!=null)
Response.Write("获取当前节点的value:" + TreeView1.SelectedNode.Value);
}

追问

treeview 控件有SelectedNode??