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<%@ Page language="c#" Codebehind="treecheckbox.aspx.cs" AutoEventWireup="false" Inherits="WebTest.treecheckbox" %>
<%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>tree</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<script language="javascript">
<!--
//初始化选中节点
function initchecknode()
{
var node=TreeView1.getTreeNode("1");
node.setAttribute("Checked","true");
document.all.checked1.value=",";
document.all.unchecked1.value=",";
setcheck(node,"true");
FindCheckedFromNode(TreeView1);
}
//刷新
function reg()
{
document.all.checked1.value=",";
document.all.unchecked1.value=",";
//setcheck(node,"true");
FindCheckedFromNode(TreeView1);
}function abc()
{
saveviwe(document.all.TextBox1.value);
reg();
}function saveviwe(aa)
{ var AllRootNode=new Array();
AllRootNode=TreeView1.getChildren();
AlertNode(AllRootNode); function AlertNode(NodeArray)
{
if(parseInt(NodeArray.length)==0)
return;
else
{
for(var i=0;i<NodeArray.length;i++)
{
var cNode;
cNode=NodeArray[i];
if(aa.indexOf(","+cNode.getAttribute("NodeData")+",") >-1)
cNode.setAttribute("Checked",true);
if(parseInt(cNode.getChildren().length)!=0)
AlertNode(cNode.getChildren());
}
}
}
}
//oncheck事件
function tree_oncheck(tree)
{
var node=tree.getTreeNode(tree.clickedNodeIndex);
var Pchecked=tree.getTreeNode(tree.clickedNodeIndex).getAttribute("checked");
setcheck(node,Pchecked);
document.all.checked1.value=",";
document.all.unchecked1.value=",";
FindCheckedFromNode(TreeView1);
}
//设置子节点选中
function setcheck(node,Pc)
{
var i;
var ChildNode=new Array();
ChildNode=node.getChildren();
if(parseInt(ChildNode.length)==0)
return;
else
{
for(i=0;i<ChildNode.length;i++)
{
var cNode;
cNode=ChildNode[i];
if(parseInt(cNode.getChildren().length)!=0)
setcheck(cNode,Pc);
cNode.setAttribute("Checked",Pc);
}
}
}
//获取所有节点状态
function FindCheckedFromNode(node) {
var i = 0;
var nodes = new Array();
nodes = node.getChildren();
for (i = 0; i < nodes.length; i++) {
var cNode;
cNode=nodes[i];
if (cNode.getAttribute("Checked"))
{
AddChecked(cNode);
}
else
{ AddUnChecked(cNode);
}
if (parseInt(cNode.getChildren().length) != 0 ) {
FindCheckedFromNode(cNode);
}
}
}
//添加选中节点
function AddChecked(node) {
document.all.checked1.value += node.getAttribute("NodeData");
document.all.checked1.value += ',';
}
//添加未选中节点
function AddUnChecked(node) {
document.all.unchecked1.value += node.getAttribute("NodeData");
document.all.unchecked1.value += ',';
}function set_check()
{
var nodeindex = "0";
var node=TreeView1.getTreeNode(nodeindex);
node.setAttribute("Checked","True");
TreeView1.queueEvent('oncheck', nodeindex);
}
//-->
</script>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<P>
<TABLE id="Table1" cellSpacing="1" cellPadding="1" width="300" border="1">
<TR>
<TD><asp:label id="Label1" runat="server">checked</asp:label></TD>
<TD><FONT face="宋体"><INPUT id="checked1" type="text" size="32" name="checked1" runat="server"></FONT></TD>
</TR>
<TR>
<TD><asp:label id="Label2" runat="server">unchecked</asp:label></TD>
<TD><FONT face="宋体"><INPUT id="unchecked1" type="text" size="32" name="unchecked1" runat="server"></FONT></TD>
</TR>
<TR>
<TD><input onclick="set_check()" type="button" value="set check"></TD>
<TD><asp:button id="Button1" runat="server" Text="submit"></asp:button><asp:button id="Button2" runat="server" Text="Button"></asp:button><input onclick="abc()" type="button" value="select">
<asp:button id="Button3" runat="server" Text="Button"></asp:button></TD>
</TD></TR>
</TABLE>
<br>
<iewc:treeview id="TreeView1" style="Z-INDEX: 101; LEFT: 16px; POSITION: absolute; TOP: 152px"
runat="server" EnableViewState="False">
<iewc:TreeNode NodeData="0" CheckBox="True" Text="Node0">
<iewc:TreeNode NodeData="1" CheckBox="True" Text="Node1"></iewc:TreeNode>
<iewc:TreeNode NodeData="2" CheckBox="True" Text="Node2">
<iewc:TreeNode NodeData="3" CheckBox="True" Text="Node3">
<iewc:TreeNode NodeData="4" CheckBox="True" Text="Node4"></iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNode NodeData="5" CheckBox="True" Text="Node5">
<iewc:TreeNode NodeData="6" CheckBox="True" Text="Node6"></iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNode NodeData="7" CheckBox="True" Text="Node7">
<iewc:TreeNode NodeData="8" CheckBox="True" Text="Node8">
<iewc:TreeNode NodeData="9" CheckBox="True" Text="Node9"></iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeNode>
</iewc:treeview><asp:label id="Label3" style="Z-INDEX: 102; LEFT: 296px; POSITION: absolute; TOP: 168px" runat="server">Label</asp:label>
<asp:TextBox id="TextBox1" style="Z-INDEX: 103; LEFT: 304px; POSITION: absolute; TOP: 208px"
runat="server"></asp:TextBox></P>
</form>
</body>
</HTML>
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;namespace WebTest
{
/// <summary>
/// tree 的摘要说明。
/// </summary>
public class treecheckbox : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label Label1;
protected Microsoft.Web.UI.WebControls.TreeView TreeView1;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button2;
protected System.Web.UI.WebControls.Button Button3;
protected System.Web.UI.WebControls.Label Label2;
protected System.Web.UI.HtmlControls.HtmlInputText checked1;
protected System.Web.UI.WebControls.Label Label3;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.HtmlControls.HtmlInputText unchecked1; private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
TreeView1.Attributes.Add("oncheck","tree_oncheck(this)");
if(!Page.IsPostBack)
{
//this.Response.Write("<script language=javascript> initchecknode();</script>");
this.RegisterStartupScript("onload","<script language=javascript> initchecknode();</script>");
}
this.RegisterStartupScript("onload","<script language=javascript> reg();</script>");
} #region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Button2.Click += new System.EventHandler(this.Button2_Click);
this.Button3.Click += new System.EventHandler(this.Button3_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Button1_Click(object sender, System.EventArgs e)
{
Response.Write(TreeView1.Nodes[0].Checked);
} private void Button2_Click(object sender, System.EventArgs e)
{
} private void Button3_Click(object sender, System.EventArgs e)
{
this.Label3.Text = this.checked1.Value;
this.TextBox1.Text = this.Label3.Text;
//this.Response.Write("<script language=javascript> abc("+this.Label3.Text+");</script>");
this.RegisterStartupScript("jlk","<script language=javascript> abc();</script>");
}
}
}
<script language=\"javascript\" >
function GetNode()
{
var choose;
var indexid;
indexid=TreeView1.clickedNodeIndex;
if (TreeView1.getTreeNode(indexid).getAttribute('Checked'))
{
choose=false;
}
else
{
choose=true;
}
TreeView1.getTreeNode(indexid).setAttribute('Checked',choose);
var NodeArray=new Array();
NodeArray=TreeView1.getTreeNode(indexid).getChildren();
for(i=0;i<NodeArray.length;i++)
{
var tempindex=indexid+"."+i;
TreeView1.getTreeNode(indexid).setAttribute('Checked',choose);
}
}
//-->
</script>