1、该节点可以访问,则他的父节点也必能访问;
2、该节点可以访问,则他的子节点也都能访问;
3、该节点不可访问,则他的子节点也不能访问;
4、该子节点不能访问,则他的父节点如果没有其他选择,则父节点也不能访问
html代码
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
CREATE TABLE [T_MODULE_SYS] (
[MOD_ID] [varchar] (50) NOT NULL,
[MOD_PARENT_ID] [varchar] (50) NOT NULL,
[MOD_DESC] [varchar] (150) NOT NULL)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
ALTER TABLE [T_MODULE_SYS] WITH NOCHECK ADD CONSTRAINT [PK_T_MODULE_SYS] PRIMARY KEY NONCLUSTERED ( [MOD_ID] )INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00001','00000','开始')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00002','00001','程序')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00003','00001','设置')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00004','00001','运行')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00005','00002','管理工具')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00006','00002','附件')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00007','00002','启动')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00008','00005','INTERNET 服务管理器')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00009','00005','计算机管理')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00010','00006','计算器')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00011','00003','控制面版')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00012','00003','打印机')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00013','00009','系统工具')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00014','00009','存储')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00015','00013','事件查看器')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00016','00013','共享文件夹')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00017','00013','本地用户和组')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00018','00014','可移动存储')
INSERT [T_MODULE_SYS] ([MOD_ID],[MOD_PARENT_ID],[MOD_DESC]) VALUES ( '00019','00014','磁盘管理')
2、该节点可以访问,则他的子节点也都能访问;
3、该节点不可访问,则他的子节点也不能访问;
4、该子节点不能访问,则他的父节点如果没有其他选择,则父节点也不能访问
html代码
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TreeView.aspx.cs" Inherits="TreeView" %>
<!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">
// JScript 文件
var flagCheck = false;
//获取元素指定tagName的父元素
function public_GetParentByTagName(element, tagName)
{
var parent = element.parentNode;
var upperTagName = tagName.toUpperCase();
//如果这个元素还不是想要的tag就继续上溯
while (parent && (parent.tagName.toUpperCase() != upperTagName))
{
parent = parent.parentNode ? parent.parentNode : parent.parentElement;
}
return parent;
}
//设置节点的父节点Cheched——该节点可访问,则他的父节点也必能访问
function setParentChecked(objNode)
{
var objParentDiv = public_GetParentByTagName(objNode,"div");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
var objID = objParentDiv.getAttribute("ID");
objID = objID.substring(0,objID.indexOf("Nodes"));
objID = objID+"CheckBox";
var objParentCheckBox = document.getElementById(objID);
if(objParentCheckBox==null || objParentCheckBox == "undefined")
{
return;
}
if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox")
return;
objParentCheckBox.checked = true;
setParentChecked(objParentCheckBox);
}
//检查此目录的上级中是否还有被选中的项,如果有则保持状态,没有则取消选择.
function setParentUnCheckedforSignal(objNode)
{
var objParentDiv = public_GetParentByTagName(objNode,"div");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
var objID = objParentDiv.getAttribute("ID");
objID = objID.substring(0,objID.indexOf("Nodes"));
objID = objID+"CheckBox";
var objParentCheckBox = document.getElementById(objID);
if(objParentCheckBox==null || objParentCheckBox == "undefined")
{
return;
}
if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox")
{
return;
}
flagCheck = false;
checkChildChecked(objParentDiv);
//alert(flagCheck)
if(!flagCheck)
{
objParentCheckBox.checked = false;
setParentUnCheckedforSignal(objParentDiv);
}
}
//检查子目录是否被选中,如果选中则修改标志flagCheck
function checkChildChecked(divID)
{
var objchild = divID.children;
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild[i];
//alert(tempObj.tagName + " " + tempObj.type);
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
if(tempObj.checked == true)
flagCheck = true;
}
checkChildChecked(tempObj)
}
}
//设置节点的子节点uncheched——该节点不可访问,则他的子节点也不能访问
function setChildUnChecked(divID)
{
var objchild = divID.children;
var count = objchild.length;
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild[i];
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
tempObj.checked = false;
}
setChildUnChecked(tempObj);
}
}
//设置节点的子节点cheched——该节点可以访问,则他的子节点也都能访问
function setChildChecked(divID)
{
var objchild = divID.children;
var count = objchild.length;
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild[i];
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
tempObj.checked = true;
}
setChildChecked(tempObj);
}
}
// 根据浏览器判断事件
function getCurrentNode(evt) {
var obj;
if (window.event) {// IE
obj = window.event.srcElement;
} else {// FireFox
obj = (evt ? evt : (window.event ? window.event : null)).target;
}
return obj;
}
//触发事件
function CheckEvent(evt) {
var objNode = getCurrentNode(evt); // 根据浏览器判断事件
// var objNode = event.srcElement;
if(objNode.tagName!="INPUT" || objNode.type!="checkbox")
return;
if(objNode.checked==true)
{
setParentChecked(objNode);
var objID = objNode.getAttribute("ID");
var objID = objID.substring(0,objID.indexOf("CheckBox"));
var objParentDiv = document.getElementById(objID+"Nodes");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
setChildChecked(objParentDiv);
}
else
{
setParentUnCheckedforSignal(objNode);
var objID = objNode.getAttribute("ID");
var objID = objID.substring(0,objID.indexOf("CheckBox"));
var objParentDiv = document.getElementById(objID+"Nodes");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
setChildUnChecked(objParentDiv);
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" ShowCheckBoxes="All" ShowLines="True">
</asp:TreeView>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="show" /></div>
</form>
</body>
</html>
<!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">
// JScript 文件
var flagCheck = false;
//获取元素指定tagName的父元素
function public_GetParentByTagName(element, tagName)
{
var parent = element.parentNode;
var upperTagName = tagName.toUpperCase();
//如果这个元素还不是想要的tag就继续上溯
while (parent && (parent.tagName.toUpperCase() != upperTagName))
{
parent = parent.parentNode ? parent.parentNode : parent.parentElement;
}
return parent;
}
//设置节点的父节点Cheched——该节点可访问,则他的父节点也必能访问
function setParentChecked(objNode)
{
var objParentDiv = public_GetParentByTagName(objNode,"div");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
var objID = objParentDiv.getAttribute("ID");
objID = objID.substring(0,objID.indexOf("Nodes"));
objID = objID+"CheckBox";
var objParentCheckBox = document.getElementById(objID);
if(objParentCheckBox==null || objParentCheckBox == "undefined")
{
return;
}
if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox")
return;
objParentCheckBox.checked = true;
setParentChecked(objParentCheckBox);
}
//检查此目录的上级中是否还有被选中的项,如果有则保持状态,没有则取消选择.
function setParentUnCheckedforSignal(objNode)
{
var objParentDiv = public_GetParentByTagName(objNode,"div");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
var objID = objParentDiv.getAttribute("ID");
objID = objID.substring(0,objID.indexOf("Nodes"));
objID = objID+"CheckBox";
var objParentCheckBox = document.getElementById(objID);
if(objParentCheckBox==null || objParentCheckBox == "undefined")
{
return;
}
if(objParentCheckBox.tagName!="INPUT" && objParentCheckBox.type == "checkbox")
{
return;
}
flagCheck = false;
checkChildChecked(objParentDiv);
//alert(flagCheck)
if(!flagCheck)
{
objParentCheckBox.checked = false;
setParentUnCheckedforSignal(objParentDiv);
}
}
//检查子目录是否被选中,如果选中则修改标志flagCheck
function checkChildChecked(divID)
{
var objchild = divID.children;
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild[i];
//alert(tempObj.tagName + " " + tempObj.type);
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
if(tempObj.checked == true)
flagCheck = true;
}
checkChildChecked(tempObj)
}
}
//设置节点的子节点uncheched——该节点不可访问,则他的子节点也不能访问
function setChildUnChecked(divID)
{
var objchild = divID.children;
var count = objchild.length;
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild[i];
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
tempObj.checked = false;
}
setChildUnChecked(tempObj);
}
}
//设置节点的子节点cheched——该节点可以访问,则他的子节点也都能访问
function setChildChecked(divID)
{
var objchild = divID.children;
var count = objchild.length;
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild[i];
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
tempObj.checked = true;
}
setChildChecked(tempObj);
}
}
// 根据浏览器判断事件
function getCurrentNode(evt) {
var obj;
if (window.event) {// IE
obj = window.event.srcElement;
} else {// FireFox
obj = (evt ? evt : (window.event ? window.event : null)).target;
}
return obj;
}
//触发事件
function CheckEvent(evt) {
var objNode = getCurrentNode(evt); // 根据浏览器判断事件
// var objNode = event.srcElement;
if(objNode.tagName!="INPUT" || objNode.type!="checkbox")
return;
if(objNode.checked==true)
{
setParentChecked(objNode);
var objID = objNode.getAttribute("ID");
var objID = objID.substring(0,objID.indexOf("CheckBox"));
var objParentDiv = document.getElementById(objID+"Nodes");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
setChildChecked(objParentDiv);
}
else
{
setParentUnCheckedforSignal(objNode);
var objID = objNode.getAttribute("ID");
var objID = objID.substring(0,objID.indexOf("CheckBox"));
var objParentDiv = document.getElementById(objID+"Nodes");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
setChildUnChecked(objParentDiv);
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" ShowCheckBoxes="All" ShowLines="True">
</asp:TreeView>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="show" /></div>
</form>
</body>
</html>
1
using System;
2
using System.Data;
3
using System.Configuration;
4
using System.Collections;
5
using System.Web;
6
using System.Web.Security;
7
using System.Web.UI;
8
using System.Web.UI.WebControls;
9
using System.Web.UI.WebControls.WebParts;
10
using System.Web.UI.HtmlControls;
11![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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public partial class TreeView_TreeView_Check : System.Web.UI.Page
13
{
14
protected void Page_Load(object sender, EventArgs e)
15
{
16
if (!IsPostBack)
17
{
18
BuilderTree("00000", (TreeNode)null);
19
// TreeView1.Attributes.Add("onclick", "CheckEvent()");
20
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}
22
}
23
private void BuilderTree(string ParentID, TreeNode pNode)
24
{
25
string strConn, strSql;
26
strConn = "Provider=SQLOLEDB;Data Source=.;Initial Catalog=pubs;Trusted_Connection=Yes;";
27
strSql = "select * from T_MODULE_SYS";
28
System.Data.OleDb.OleDbDataAdapter da = new System.Data.OleDb.OleDbDataAdapter(strSql,strConn);
29
DataSet ds = new DataSet();
30
da.Fill(ds, "T_MODULE_SYS");
31![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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//XBGQWZ.BusinessLayer.T_Modle bus_model = new XBGQWZ.BusinessLayer.T_Modle();
33
//DataSet ds = bus_model.GetList("");
34
DataView dvTree = new DataView(ds.Tables[0]);
35
//过滤ParentID,得到当前的所有子节点
36
dvTree.RowFilter = "[MOD_PARENT_ID] = " + ParentID;
37
foreach (DataRowView row in dvTree)
38
{
39
TreeNode Node = new TreeNode();
40
if (pNode == null)
41
{
42
//添加根节点
43
Node.Text = row["MOD_DESC"].ToString();
44
Node.ToolTip = row["MOD_ID"].ToString();
45
TreeView1.Nodes.Add(Node);
46
Node.Expanded = true;
47
BuilderTree(row["MOD_ID"].ToString(), Node);//递归
48
}
49
else
50
{
51
//添加当前节点的自节点
52
Node.Text = row["MOD_DESC"].ToString();
53
Node.ToolTip = row["MOD_ID"].ToString();
54
pNode.ChildNodes.Add(Node);
55
//pNode.Target = row["MOD_DESC"].ToString();
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Node.Target = "page_right";
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Node.NavigateUrl = "http://www.baidu.com/";
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Node.Expanded = true;
59
BuilderTree(row["MOD_ID"].ToString(), Node);//递归
60![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
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}
63![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
65
//遍历树
66
private void GetAllNodeText(TreeNodeCollection tnc)
67
{
68
foreach (TreeNode node in tnc)
69
{
70
if (node.ChildNodes.Count != 0)
71![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
72
GetAllNodeText(node.ChildNodes);
73
if (node.Checked == true)
74
{
75
Response.Write(node.Text + " ");
76
Response.Write(node.ToolTip + " ");
77
Response.Write("<br/>");
78
}
79
}
80
}
81
//在button的click事件中将其输出
82
protected void Button1_Click(object sender, EventArgs e)
83
{
84
GetAllNodeText(this.TreeView1.Nodes);
85
}
86![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
87
}
88![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
我自己设置的库,挺好用的![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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TreeView1.Attributes.Add("onclick", "CheckEvent(event)");//兼容ie、firefox
//TreeView1.Attributes.Add("onclick", "CheckEvent(this)"); // 只支持IE
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