WebPage2.aspx
<body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <FONT face="宋体"><INPUT id="TB_CFYJ" type="text" name="TB_CFYJ"><INPUT type="button" value="Button" onclick="window.open('WebForm1.aspx', '', '');"></FONT> </form> </body>WebPage1.aspx
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="test.WebForm1" %><%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" ><HTML> <HEAD> <title>WebForm1</title> <meta content="JavaScript" name="vs_defaultClientScript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"> <script> function GetAttribute()//没用
{ alert(TreeView1.getTreeNode(TreeView1.selectedNodeIndex).getAttribute("Text")); }
function gg()//客户端遍历（有BUG。碰上折起来的结点就会出错） {
var AllRootNode=new Array(); AllRootNode=TreeView1.getChildren(); AlertNode(AllRootNode); function AlertNode(NodeArray)
{
if(parseInt(NodeArray.length)==0) return; else { for(i=0;i<NodeArray.length;i++) { var cNode; cNode=NodeArray[i]; alert(cNode.getAttribute("Text")); if(parseInt(cNode.getChildren().length)!=0) AlertNode(cNode.getChildren());
} } }
} function addCFYJ()//For Client回传值 { var mys = opener.document.all("TB_CFYJ"); mys.value=mys.value+TreeView1.getTreeNode(TreeView1.selectedNodeIndex).getAttribute("Text") } </script> </HEAD> <body MS_POSITIONING="GridLayout"> <FONT face="宋体"> <form id="Form1" method="post" runat="server"> <INPUT type="button" onclick="addCFYJ()" value="client方式">//这里是直接用客户端方式把数据传回去 <iewc:treeview id="TreeView1" runat="server"></iewc:treeview> <asp:Button id="Button1" runat="server" Text="服务器重写js"></asp:Button></form> </FONT> </body></HTML>WebPage2.cs
using System;using System.Collections;using System.ComponentModel;using System.Data;using System.Drawing;using System.Web;using System.Web.SessionState;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;using Microsoft.Web.UI.WebControls;using System.Data.OracleClient;namespace test{ /// <summary> /// WebForm1 的摘要说明。 /// </summary> public class WebForm1 : System.Web.UI.Page { protected Microsoft.Web.UI.WebControls.TreeView TreeView1; protected System.Web.UI.HtmlControls.HtmlForm Form1; protected System.Web.UI.WebControls.Button Button1; DataSet ds; private void Page_Load(object sender, System.EventArgs e) { OracleConnection conn=new OracleConnection("user id=hzzfj;password=hzzfj;data source=hzzfj"); try { OracleDataAdapter ad=new OracleDataAdapter("select * from dept",conn); ds=new DataSet(); ad.Fill(ds,"tree"); InitTree(TreeView1.Nodes,"0"); } catch(Exception E) { } finally { conn.Close(); } } //建树的基本思路是：从根节点开始递归调用显示子树 private void InitTree(TreeNodeCollection Nds,string parentId) { DataView dv=new DataView(); TreeNode tmpNd; string intId; dv.Table=ds.Tables["tree"]; dv.RowFilter="PARENTID="+parentId + "" ; foreach(DataRowView drv in dv) { tmpNd=new TreeNode(); tmpNd.ID=drv["DEPT_ID"].ToString(); tmpNd.Text=drv["DEPT_NAME"].ToString(); tmpNd.CheckBox=true; //tmpNd.ImageUrl="../images/"+drv["Icon"].ToString(); //tmpNd.NavigateUrl="../"+drv["Address"].ToString(); Nds.Add(tmpNd); intId=drv["ParentId"].ToString(); InitTree(tmpNd.Nodes,tmpNd.ID); } } string res=""; private void Button1_Click(object sender, System.EventArgs e) { //Response.Write("<script> alert('"+GetAllNodeText(TreeView1.Nodes)+"')</script>"); Response.Write("<script> var mys = opener.document.all('TB_CFYJ');mys.value='"+GetAllNodeText(TreeView1.Nodes)+"';</script>"); } string GetAllNodeText(TreeNodeCollection tnc) { foreach(TreeNode node in tnc) { if(node.Nodes.Count!=0) GetAllNodeText(node.Nodes); if (node.Checked) { res+=node.Text + "|"; } } return res; } }}