treeview鼠标右键,高分!

飘_飘 2008-04-03 06:06:08
我已经得到了鼠标右键菜单,但怎样知道我在点TreeView时是点的哪一个节点呢?
然后作对应的添加和删除事件

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="left.aspx.cs" Inherits="left" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html>
<head>

<title>ee</title>
<style>
<!--
.skin0 {
position:absolute;
text-align:left;
width:200px;
border:2px solid black;
background-color:menu;
font-family:Verdana;
line-height:20px;
cursor:default;
visibility:hidden;
}
.skin1 {
cursor:default;
position:absolute;
text-align:left;
font-family: Arial, Helvetica, sans-serif;
font-size: 10pt;
width:120px;
background-color:menu;
visibility:hidden;
border:2px outset buttonhighlight;; font-style:normal; font-variant:normal; font-weight:normal
}
.menuitems {
padding-left:15px;
padding-right:10px;
}
-->
</style>
</head><body>
<!--将以下代码加入HTML的<Body></Body>之间-->
<form id="form1" runat="server">
<SCRIPT LANGUAGE="JavaScript1.2">
<!-- Begin
var menuskin = "skin1";
var display_url = 0;
function showmenuie5() {
var rightedge = document.body.clientWidth-event.clientX;
var bottomedge = document.body.clientHeight-event.clientY;
if (rightedge < ie5menu.offsetWidth)
ie5menu.style.left = document.body.scrollLeft + event.clientX - ie5menu.offsetWidth;
else
ie5menu.style.left = document.body.scrollLeft + event.clientX;
if (bottomedge < ie5menu.offsetHeight)
ie5menu.style.top = document.body.scrollTop + event.clientY - ie5menu.offsetHeight;
else
ie5menu.style.top = document.body.scrollTop + event.clientY;
ie5menu.style.visibility = "visible";
return false;
}
function hidemenuie5() {
ie5menu.style.visibility = "hidden";
}
function highlightie5() {
if (event.srcElement.className == "menuitems") {
event.srcElement.style.backgroundColor = "highlight";
event.srcElement.style.color = "white";
if (display_url)
window.status = event.srcElement.url;
}
}
function lowlightie5() {
if (event.srcElement.className == "menuitems") {
event.srcElement.style.backgroundColor = "";
event.srcElement.style.color = "black";
window.status = "";
}
}
function jumptoie5() {
if (event.srcElement.className == "menuitems") {
if (event.srcElement.getAttribute("target") != null)
window.open(event.srcElement.url, event.srcElement.getAttribute("target"));
else
window.location = event.srcElement.url;
}
}

// End -->
</script>
<script language="javascript" type="text/javascript">
function rclick()
{
alert(event);
// ie5menu.className = menuskin;
// document.getElementById(id).oncontextmenu = showmenuie5;
// document.body.onclick = hidemenuie5;
}
</script>
<div>
<asp:TreeView ID="tvMenu" runat="server">
</asp:TreeView>
</div>
<div id="ie5menu" class="skin0" onMouseover="highlightie5()" onMouseout="lowlightie5()" onClick="jumptoie5();" style="width: 92px">


<div class="menuitems" url="#">添加</div>
<div class="menuitems" url="#">删除</div>
</div>
<script language="JavaScript1.2">
if (document.all && window.print) {

ie5menu.className = menuskin;
document.oncontextmenu = showmenuie5;
document.body.onclick = hidemenuie5;

}
</script>

</form>

</body></html>

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一起学习了,来了,....。顶上...
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<%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<HTML>
<HEAD>
<title>TreeView控件右键菜单</title>
<style>
<!--
.skin
{
cursor:default;
font:menutext;
position:absolute;
text-align:left;
font-family: Arial, Helvetica, sans-serif;
font-size: 10pt;
width:120px;
background-color:menu;
border:1 solid buttonface;
visibility:hidden;
border:2 outset buttonhighlight;
}
.menuitems
{
padding-left:15px;
padding-right:10px;
}
-->
</style>
</HEAD>
<body onclick="hideMenu()">
<form id="TreeView" method="post" runat="server">
<iewc:TreeView id="TreeView1" runat="server" ExpandLevel="3" HoverStyle="color:blue;background:#ffff00;">
<iewc:TreeNode Text="Node0" Expanded="True">
<iewc:TreeNode Text="Node3">
<iewc:TreeNode Text="Node5"></iewc:TreeNode>
<iewc:TreeNode Text="Node6"></iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNode Text="Node4"></iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNode Text="Node1" Expanded="True">
<iewc:TreeNode Text="Node7">
<iewc:TreeNode Text="Node8"></iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeNode>
<iewc:TreeNode Text="Node2" Expanded="True">
<iewc:TreeNode Text="Node9"></iewc:TreeNode>
<iewc:TreeNode Text="Node10">
<iewc:TreeNode Text="Node11"></iewc:TreeNode>
<iewc:TreeNode Text="Node12"></iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeNode>
</iewc:TreeView>
<div id="popupMenu" class="skin" onMouseover="highlighItem()" onMouseout="lowlightItem()" onClick="clickItem()">
<div class="menuitems" func="add">添加</div>
<hr>
<div class="menuitems" func="delete">删除</div>
<div class="menuitems" func="modify">修改</div>
</div>
</form>
<script language="javascript">
var menuskin = "skin";
var node = null;

function hideMenu()
{
popupMenu.style.visibility = "hidden";
}

function highlighItem()
{
if (event.srcElement.className == "menuitems")
{
event.srcElement.style.backgroundColor = "highlight";
event.srcElement.style.color = "white";
}
}

function lowlightItem()
{
if (event.srcElement.className == "menuitems")
{
event.srcElement.style.backgroundColor = "";
event.srcElement.style.color = "black";
window.status = "";
}
}

function clickItem()
{
if (event.srcElement.className == "menuitems")
{
if(event.srcElement.getAttribute("func") == "add" && node != null)
{
var newNode=TreeView1.createTreeNode();
newNode.setAttribute("Text","new Node");
node.add(newNode);
}
else if (event.srcElement.getAttribute("func") == "delete" && node != null)
{
node.remove();
}
else if (event.srcElement.getAttribute("func") == "modify" && node != null)
{
node.setAttribute("Text","hgknight");
}
}
}

function TreeView1.oncontextmenu()
{
var nodeindex = event.treeNodeIndex;
if (typeof(nodeindex) == "undefined")
{
node = null;
return;
}

node = TreeView1.getTreeNode(nodeindex);

var rightedge = document.body.clientWidth-event.clientX;
var bottomedge = document.body.clientHeight-event.clientY;
if (rightedge <popupMenu.offsetWidth)
{
popupMenu.style.left = document.body.scrollLeft + event.clientX - popupMenu.offsetWidth;
}
else
{
popupMenu.style.left = document.body.scrollLeft + event.clientX;
}
if (bottomedge <popupMenu.offsetHeight)
{
popupMenu.style.top = document.body.scrollTop + event.clientY - popupMenu.offsetHeight;
}
else
{
popupMenu.style.top = document.body.scrollTop + event.clientY;
}
popupMenu.style.visibility = "visible";
return false;
}

</script>
</body>
</HTML>
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