<%@ page language="c#" %>
<%@ import namespace="system.io" %>
<!doctype html public "-//w3c//dtd xhtml 1.1//en" "http://www.w3.org/tr/xhtml11/dtd/xhtml11.dtd">
<script runat="server">
void treeview1_treenodepopulate(object sender, treenodeeventargs e)
{
if (iscallback)
if (e.node.childnodes.count == 0)
{
loadchildnode(e.node);
}
}
private void loadchildnode(treenode node)
{
directoryinfo directory;
directory = new directoryinfo(node.value);
foreach (directoryinfo sub in directory.getdirectories())
{
treenode subnode = new treenode(sub.name);
subnode.value = sub.fullname;
try
{
if (sub.getdirectories().length > 0 || sub.getfiles().length > 0)
{
subnode.selectaction = treenodeselectaction.selectexpand;
subnode.populateondemand = true;
subnode.navigateurl = "#";
}
}
catch { subnode.imageurl = "webresource.axd?a=s&r=treeview_xp_explorer_parentnode.gif&t=632242003305625000"; }
node.childnodes.add(subnode);
}
foreach (fileinfo fi in directory.getfiles())
{
treenode subnode = new treenode(fi.name);
node.childnodes.add(subnode);
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>untitled page</title>
</head>
<body bgcolor="white">
<form id="form1" runat="server">
<div>
<asp:treeview id="treeview1" runat="server" imageset="xpfileexplorer" autogeneratedatabindings="false" expanddepth=0
ontreenodepopulate="treeview1_treenodepopulate"
>
<selectednodestyle backcolor="#b5b5b5"></selectednodestyle>
<nodes>
<asp:treenode value="c:" text="c:" populateondemand="true" selectaction="select" navigateurl="#" >
</asp:treenode>
</nodes>
<nodestyle verticalpadding="2" font-names="tahoma" font-size="8pt" horizontalpadding="2"
forecolor="black"></nodestyle>
<hovernodestyle font-underline="true" forecolor="#6666aa"></hovernodestyle>
</asp:treeview>
</div>
</form>
</body>
</html>
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