日期:2013-07-27  浏览次数:20484 次

一个IEWebControl TreeView右键菜单的例子,实现了添加、修改和删除功能,复制即可运行
更多TreeView的客户端操作参见
http://www.csdn.net/Develop/read_article.asp?id=22100

<%@ 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