TreeView递归取值

string jingyuan = "";
string jinghui = "";
private void DiGui(TreeNode tn)
{
if (tn.Checked && tn.ImageUrl.Contains("jinghui"))
{
jinghui += tn.Text+",";
}
if (tn.Checked && tn.ImageUrl.Contains("jingyuan"))
{
jingyuan += tn.Text + ",";
}
foreach (TreeNode tnSub in tn.ChildNodes)
{
DiGui(tnSub);
}
}

private bool DoAdd()
{

foreach (TreeNode node in TreeView1.Nodes)//递归获取TreeView节点值
{
DiGui(node);
}
JscriptMsg(jinghui+"|"+jingyuan, "");
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