关于TreeView的展开和折叠事件怎么用javascript表示? 关于TreeView的展开和折叠事件怎么用javascript表示? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="jstree.aspx.cs" Inherits="jstree" %><!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>Untitled Page</title> <script type="text/javascript"> function expandAll(treeViewId) { var treeView = document.getElementById(treeViewId); var treeLinks = treeView.getElementsByTagName("a"); var j = true; for(i=0;i<treeLinks.length;i++) { if(treeLinks[i].firstChild.tagName == "IMG") { var node = treeLinks[i]; var level = parseInt(treeLinks[i].id.substr(treeLinks[i].id.length - 1),10); var childContainer = document.getElementById(treeLinks[i].id + "Nodes"); if(j) { if(childContainer.style.display == "none") TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'r',childContainer); j = false; } else { if(childContainer.style.display == "none") TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'l',childContainer); } } } } function collapseAll(treeViewId) { var treeView = document.getElementById(treeViewId); var treeLinks = treeView.getElementsByTagName("a"); var j = true; for(i=0;i<treeLinks.length;i++) { if(treeLinks[i].firstChild.tagName == "IMG") { var node = treeLinks[i]; var level = parseInt(treeLinks[i].id.substr(treeLinks[i].id.length - 1),10); var childContainer = document.getElementById(treeLinks[i].id + "Nodes"); if(j) { if(childContainer.style.display == "block") TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'r',childContainer); j = false; } else { if(childContainer.style.display == "block") TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'l',childContainer); } } } } function Button1_onclick() { expandAll('<%=TreeView1.ClientID%>'); } function Button2_onclick() { collapseAll('<%=TreeView1.ClientID%>'); } </script></head><body> <form id="form1" runat="server"> <div> </div> <asp:TreeView ID="TreeView1" runat="server"> <Nodes> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode> </asp:TreeNode> </asp:TreeNode> <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"> <asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode> </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 Text="New Node" Value="New Node"></asp:TreeNode> </asp:TreeNode> </asp:TreeNode> </Nodes> </asp:TreeView> </form> <p> <input id="Button1" type="button" value="Expand All" onclick="return Button1_onclick()" /></p> <p> <input id="Button2" type="button" value="Collapse All" onclick="return Button2_onclick()" /></p></body></html> 默认点击就可展开obj = img; do { obj = obj.parentElement; } while (obj.tagName != "DIV") // 或者可以直接传入根节点的IDvar divs = obj.parentElement.getElementsByTagName("DIV"); var numdivs = divs .length for (i=0; i <numdivs ; i++) { divs[i].style.display = "none"; } $("#tree").find(">li").each(function(){}) 先谢谢两位,可能是我没表达清楚我是想在树折叠或展开时处理一些事情。我不想用tree的TreeNodeCollapsed事件,想在javascript里写 如何为WIN XP的家庭版安装SQL2008啊!!!知道的大大进。 无法将程序集“DALFactory.dll”复制到文件,怎么解决? 关于hyperlink控件 (在线等)关于JAVASCRIPT的一点问题,急!!! DataGrid中生成互斥的Radio的问题 DataTable问题 关于Session的问题 为什么上传到购买的虚拟主机上,验证不起作用了? 触发器 两个WEB应用的小问题,不过很急 关于修改数据的问题。 Error Initializing Session 上传大数据
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="jstree.aspx.cs" Inherits="jstree" %><!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>Untitled Page</title> <script type="text/javascript">
function expandAll(treeViewId)
{
var treeView = document.getElementById(treeViewId);
var treeLinks = treeView.getElementsByTagName("a");
var j = true;
for(i=0;i<treeLinks.length;i++)
{
if(treeLinks[i].firstChild.tagName == "IMG")
{
var node = treeLinks[i];
var level = parseInt(treeLinks[i].id.substr(treeLinks[i].id.length - 1),10);
var childContainer = document.getElementById(treeLinks[i].id + "Nodes");
if(j)
{
if(childContainer.style.display == "none")
TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'r',childContainer);
j = false;
}
else
{
if(childContainer.style.display == "none")
TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'l',childContainer);
}
}
}
}
function collapseAll(treeViewId)
{
var treeView = document.getElementById(treeViewId);
var treeLinks = treeView.getElementsByTagName("a");
var j = true;
for(i=0;i<treeLinks.length;i++)
{
if(treeLinks[i].firstChild.tagName == "IMG")
{
var node = treeLinks[i];
var level = parseInt(treeLinks[i].id.substr(treeLinks[i].id.length - 1),10);
var childContainer = document.getElementById(treeLinks[i].id + "Nodes");
if(j)
{
if(childContainer.style.display == "block")
TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'r',childContainer);
j = false;
}
else
{
if(childContainer.style.display == "block")
TreeView_ToggleNode(eval(treeViewId +"_Data"),level,node,'l',childContainer);
}
}
}
}
function Button1_onclick() {
expandAll('<%=TreeView1.ClientID%>');
} function Button2_onclick() {
collapseAll('<%=TreeView1.ClientID%>');
} </script></head>
<body>
<form id="form1" runat="server">
<div>
</div>
<asp:TreeView ID="TreeView1" runat="server">
<Nodes>
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</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 Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
</asp:TreeNode>
</Nodes>
</asp:TreeView>
</form>
<p>
<input id="Button1" type="button" value="Expand All" onclick="return Button1_onclick()" /></p>
<p>
<input id="Button2" type="button" value="Collapse All" onclick="return Button2_onclick()" /></p>
</body>
</html>
obj = img;
do
{
obj = obj.parentElement;
} while (obj.tagName != "DIV")
// 或者可以直接传入根节点的ID
var divs = obj.parentElement.getElementsByTagName("DIV");
var numdivs = divs .length
for (i=0; i <numdivs ; i++)
{
divs[i].style.display = "none";
}
$("#tree").find(">li").each(function(){})
我是想在树折叠或展开时处理一些事情。我不想用tree的TreeNodeCollapsed事件,想在javascript里写