aa.aspx
来自「商机管理系统」· ASPX 代码 · 共 169 行
ASPX
169 行
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="aa.aspx.cs" Inherits="role_aa" %>
<!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>带Checkbox的Treeview</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;
//alert(objchild(1).tagName);
for(var i=0;i<objchild.length;i++)
{
var tempObj = objchild(i);
if(tempObj.tagName=="INPUT" && tempObj.type == "checkbox")
{
tempObj.checked = true;
}
setChildChecked(tempObj);
}
}
//触发事件
function CheckEvent()
{
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"));
//alert(objID); treeview1n2
var objParentDiv = document.getElementById(objID+"Nodes");
if(objParentDiv==null || objParentDiv == "undefined")
{
return;
}
//alert(objParentDiv.innerHtml);
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>
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