protected void btnGetCheckedValues_Click(object sender, EventArgs e)
{
TreeNode[] nodes = Tree1.GetCheckedNodes();
if (nodes.Length > 0)
{
StringBuilder sb = new StringBuilder();
foreach (TreeNode node in nodes)
{
sb.AppendFormat("{0} ", node.Text);
}
labResult.Text = "复选框选中的值：" + sb.ToString();
}
else
{
labResult.Text = "没有复选框被选中";
}
}