代码就这点
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
this.TreeView1.Nodes.Clear();
preInitTree();
TreeView1.SelectedNodeStyle.BackColor = System.Drawing.Color.FromArgb(191, 223, 248);
}
}
// 从根节点开始递归调用显示子树
public void preInitTree()
{
//添加固定节点
TreeNode fn1 = new TreeNode("节点1", "","Images/folder_user.png");
this.TreeView1.Nodes.Add(fn1);
TreeNode fn2 = new TreeNode("节点2", "", "Images/folder_star.png");
this.TreeView1.Nodes.Add(fn2);
TreeNode fn3 = new TreeNode("节点3", "", "Images/folder_page.png");
this.TreeView1.Nodes.Add(fn3);
}