我想要获取asp.net asp:treeview 这个控件被选中的节点的值，要用js获取。
我有一个<input type='button' onclick='selectdata()'>
function selectdata()
{
//获取asp:treeview选中节点的值
}
我有一个<input type='button' onclick='selectdata()'>
function selectdata()
{
//获取asp:treeview选中节点的值
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script language="javascript" type="text/javascript">
function init1() {
var getAllNodes = "";
var tree = document.getElementById("treeView1").getElementsByTagName("Input");
for (var i = 0; i < tree.length; i++) {
if (tree[i].type == "checkbox" && tree[i].checked) {
if (tree[i].getAttribute("title", 2) != ""){
getAllNodes = getAllNodes + tree[i].nextSibling.innerHTML + ";";
}
}
}
alert(getAllNodes);//所有选中节点的值
}
</script></head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="treeView1" runat="server" EnableClientScript="False" ShowExpandCollapse="False"
OnClick="init1(this)">
</asp:TreeView>
</div>
</form>
</body>
</html>
.aspx.cs
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataTable dt = GetDataTable();
DataRow[] rows = dt.Select();
foreach (DataRow row in rows)
{
TreeNode nd = new TreeNode();
nd.Text = row["name"].ToString();
nd.Value = row["id"].ToString();
nd.ToolTip = row["id"].ToString();
nd.ShowCheckBox = true;
treeView1.Nodes.Add(nd);
}
}
} DataTable GetDataTable()
{
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("id", typeof(System.Int32)));
dt.Columns.Add(new System.Data.DataColumn("name", typeof(System.String))); dr = dt.NewRow();
dr[0] = 1;
dr[1] = "广东";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr[0] = 2;
dr[1] = "广西";
dt.Rows.Add(dr);
return dt;
}
取出tree的节点遍历for (var i = 0; i < tree.length; i++) {判断if (tree[i].type == "checkbox" && tree[i].checked) {