treeview递归
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TreeViewCheck.aspx.cs" Inherits="TEST_TreeViewCheck" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Untitled Page</title>
<script language="javascript">
function CheckSubNodes() {
var obj = window.event.srcElement;
var TreeNodeFound = false;
var CheckedState;
if (obj.tagName == "INPUT" && obj.type == "checkbox") {
var TreeNode = obj;
CheckedState = obj.checked;
do {
obj = obj.parentNode;
}
while (obj.tagName != "TABLE")
var parentTreeLevel = obj.rows[0].cells.length;
var parentTreeNode = obj.rows[0].cells[0];
var tables = obj.parentElement.getElementsByTagName("TABLE");
var numTables = tables.length;
if (numTables >= 1) {
for (var i = 0; i <= numTables; i++) {
if (tables[i] == obj) {
TreeNodeFound = true;
i++;
if (i == numTables) {
return;
}
}
if (TreeNodeFound == true) {
var childTreeLevel = tables[i].rows[0].cells.length;
if (childTreeLevel > parentTreeLevel) {
var cell = tables[i].rows[0].cells[childTreeLevel - 1];
var inputs = cell.getElementsByTagName("INPUT");
inputs[0].checked = CheckedState;
}
else {
return;
}
}
}
}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<table width=100% height=100%>
<tr height=10>
<td><input id="chkall" type="checkbox" />全选/取消</td>
<td><asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" /></td>
</tr>
<tr valign=top>
<td><asp:TreeView ID="TreeView1" runat="server" ShowCheckBoxes="All" onclick="CheckSubNodes();" ShowLines="True" >
<Nodes>
<asp:TreeNode Text="1" Value="New Node"></asp:TreeNode>
<asp:TreeNode ShowCheckBox="True" Text="2" Value="New Node">
<asp:TreeNode ShowCheckBox="True" Text="21" Value="New Node">
<asp:TreeNode SelectAction="None" ShowCheckBox="True" Text="New Node" Value="New Node">
<asp:TreeNode PopulateOnDemand="True" SelectAction="None" Selected="True" ShowCheckBox="True" Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="22" Value="22">
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="23" Value="23"></asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</Nodes>
</asp:TreeView></td>
<td><iframe id=fMain style="BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"
src="" frameBorder="0" width="100%" scrolling="yes" height="100%"></iframe></td>
</tr>
<tr height=10>
<td></td>
</tr>
</table>
</form>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Untitled Page</title>
<script language="javascript">
function CheckSubNodes() {
var obj = window.event.srcElement;
var TreeNodeFound = false;
var CheckedState;
if (obj.tagName == "INPUT" && obj.type == "checkbox") {
var TreeNode = obj;
CheckedState = obj.checked;
do {
obj = obj.parentNode;
}
while (obj.tagName != "TABLE")
var parentTreeLevel = obj.rows[0].cells.length;
var parentTreeNode = obj.rows[0].cells[0];
var tables = obj.parentElement.getElementsByTagName("TABLE");
var numTables = tables.length;
if (numTables >= 1) {
for (var i = 0; i <= numTables; i++) {
if (tables[i] == obj) {
TreeNodeFound = true;
i++;
if (i == numTables) {
return;
}
}
if (TreeNodeFound == true) {
var childTreeLevel = tables[i].rows[0].cells.length;
if (childTreeLevel > parentTreeLevel) {
var cell = tables[i].rows[0].cells[childTreeLevel - 1];
var inputs = cell.getElementsByTagName("INPUT");
inputs[0].checked = CheckedState;
}
else {
return;
}
}
}
}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<table width=100% height=100%>
<tr height=10>
<td><input id="chkall" type="checkbox" />全选/取消</td>
<td><asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" /></td>
</tr>
<tr valign=top>
<td><asp:TreeView ID="TreeView1" runat="server" ShowCheckBoxes="All" onclick="CheckSubNodes();" ShowLines="True" >
<Nodes>
<asp:TreeNode Text="1" Value="New Node"></asp:TreeNode>
<asp:TreeNode ShowCheckBox="True" Text="2" Value="New Node">
<asp:TreeNode ShowCheckBox="True" Text="21" Value="New Node">
<asp:TreeNode SelectAction="None" ShowCheckBox="True" Text="New Node" Value="New Node">
<asp:TreeNode PopulateOnDemand="True" SelectAction="None" Selected="True" ShowCheckBox="True" Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="22" Value="22">
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="23" Value="23"></asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</Nodes>
</asp:TreeView></td>
<td><iframe id=fMain style="BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; BORDER-LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none"
src="" frameBorder="0" width="100%" scrolling="yes" height="100%"></iframe></td>
</tr>
<tr height=10>
<td></td>
</tr>
</table>
</form>
</body>
</html>
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