private void BuildItems(TreeNodeCollection items, bool isRoot, bool isExpanded, HtmlTextWriter writer)
{
if (items.Count > 0)
{
writer.WriteLine();
writer.WriteBeginTag("ul");
if (isRoot)
{
writer.WriteAttribute("id", Extender.MakeChildId("UL"));
}
if (!isExpanded)
{
writer.WriteAttribute("class", "AspNet-TreeView-Hide");
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
foreach (TreeNode item in items)
{
BuildItem(item, writer);
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("ul");
}
}
protected override Object SaveAdapterViewState()
{
string retStr = "";
TreeView treeView = Control as TreeView;
if ((treeView != null) && (_viewState != null))
{
if ((_viewState != null) && (Page != null) && (Page.Form != null))
{
Page.ClientScript.RegisterHiddenField(ViewStateID, _viewState);
string script = "document.getElementById('" + ViewStateID + "').value = GetViewState__AspNetTreeView('" + Extender.MakeChildId("UL") + "');";
Page.ClientScript.RegisterOnSubmitStatement(typeof(TreeViewAdapter), ViewStateID, script);
}
retStr = ViewStateID + "|" + ComposeViewState(treeView.Nodes, "");
}
return(retStr);
}