复制代码 代码如下: function OnTreeNodeChecked() { var ele = event.srcElement; if (ele.type == 'checkbox') { var childrenDivID = ele.id.replace('CheckBox', 'Nodes'); var div = document.getElementById(childrenDivID); if (div != null) { var checkBoxs = div.getElementsByTagName('INPUT'); for (var i = 0; i < checkBoxs.length; i++) { if (checkBoxs[i].type == 'checkbox') checkBoxs[i].checked = ele.checked; } } OnTreeNodeChildChecked(ele); } } function OnTreeNodeChildChecked(ele) { //自动处理上级 var parentDiv = ele.parentElement.parentElement.parentElement.parentElement.parentElement; var parentChkBox = document.getElementById(parentDiv.id.replace('Nodes', 'CheckBox')); if (parentChkBox != null) { var ChildsChkAll = true; var Boxs = parentDiv.getElementsByTagName('INPUT'); for (var i = 0; i < Boxs.length; i++) { if (Boxs[i].type == 'checkbox' && Boxs[i].checked == false) { ChildsChkAll = false; } } parentChkBox.checked = ChildsChkAll; OnTreeNodeChildChecked(parentChkBox); } } CS文件中注册JavaScript: 复制代码 代码如下: void Page_Load(object sender,EventArgs e) { this.TreeView.Attribute.Add("onclick","OnTreeNodeChecked()"); }
推荐阅读
Javascript学习笔记9 prototype封装继承
好,那就让我们一步步打造,首先让我们来看下继承原本的写法: 复制代码 代码如下: <script> var Person = function(name, age) { this.name = name; this.age = age; } Person.prototype.SayHello = function () >>>详细阅读
本文标题:Javascript 实现TreeView CheckBox全选效果
地址:http://www.17bianji.com/kaifa2/JS/27252.html
1/2 1