关于treeview的问题？？

Question

看看斑竹的总结
http://www.csdn.net/Develop/read_article.asp?id=22100

Answer 1

If TreeView1.Nodes(i).Parent = 0 Then
..............
        End if 可以到C:\Inetpub\wwwroot\webctrl_client\1_0\treeimages里修改图片

Answer 2

If TreeView1.Nodes(i).Parent = 0 Then
..............
        End if 这个好象不行

Answer 3

Private Sub TreeView1_SelectedIndexChange(ByVal sender As Object, ByVal e As Microsoft.Web.UI.WebControls.TreeViewSelectEventArgs) Handles TreeView1.SelectedIndexChange
        Dim node As new TreeNode
         
        node = TreeView1.GetNodeFromIndex(e.NewNode)
        if node.Nodes.Count=0
textbox1.text="没有子节点"
end if 
    End Sub

Answer 4

Private Sub TreeView1_SelectedIndexChange(ByVal sender As Object, ByVal e As Microsoft.Web.UI.WebControls.TreeViewSelectEventArgs) Handles TreeView1.SelectedIndexChange
        Dim node As new TreeNode
         
        node = TreeView1.GetNodeFromIndex(e.NewNode)
        if node.Nodes.Count=0
textbox1.text="没有子节点"
end if 
    End Sub
我加了这个事件它怎么不执行呢？？

Answer 5

我是这么加的private void TreeView1_SelectedIndexChange(object sender, Microsoft.Web.UI.WebControls.TreeViewSelectEventArgs e)
{
if(TreeView1.GetNodeFromIndex(e.NewNode).Nodes.Count==0)
{
TreeView1.GetNodeFromIndex(e.NewNode).SelectedImageUrl=".\\images\\sysDynamic.gif";
}
}