Question

Create a TreeView

Asked by: unna

I need to create a treeview which will populate the data from the database. i should be able to delete a node and add a node to the tree view. How do i do this? Does anyone have a code to do this

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Asked On
2004-02-22 at 20:34:55ID20894178
Tags

treeview

,

from

Topic

Web Languages/Standards

Participating Experts
3
Points
50
Comments
6

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Answers

 

by: SquareHeadPosted on 2004-02-24 at 14:02:06ID: 10445328

 

by: jaysolomonPosted on 2004-02-26 at 11:17:36ID: 10462917

 

by: ZeyadssPosted on 2004-03-09 at 13:26:18ID: 10554847

Hello Unna. Try this code. However you can change the bullets to images by finding the .gif on this javascript code:

---------------------
<style>
<!--
#foldheader{cursor:pointer;cursor:hand ; font-weight:bold ;
list-style-image:url('fold.gif')}
#foldinglist{list-style-image:url('list.gif')}
//-->
</style>
<script language="JavaScript1.2">
<!--
var head="display:''"
img1=new Image()
img1.src="fold.gif"
img2=new Image()
img2.src="open.gif"

var ns6=document.getElementById&&!document.all
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1

function checkcontained(e){
var iscontained=0
cur=ns6? e.target : event.srcElement
i=0
if (cur.id=="foldheader")
iscontained=1
else
while (ns6&&cur.parentNode||(ie4&&cur.parentElement)){
if (cur.id=="foldheader"||cur.id=="foldinglist"){
iscontained=(cur.id=="foldheader")? 1 : 0
break
}
cur=ns6? cur.parentNode : cur.parentElement
}

if (iscontained){
var foldercontent=ns6? cur.nextSibling.nextSibling : cur.all.tags("UL")[0]
if (foldercontent.style.display=="none"){
foldercontent.style.display=""
cur.style.listStyleImage="url(open.gif)"
}
else{
foldercontent.style.display="none"
cur.style.listStyleImage="url(fold.gif)"
}
}
}

if (ie4||ns6)
document.onclick=checkcontained

//-->
</script>
<font face="Verdana">

<ul>
   <li id="foldheader">News</li>
   <ul id="foldinglist" style="display:none" style=&{head};>
      <li><a href="http://">CNN</a></li>
      <li><a href="http://">ABC News</a></li>
      <li><a href="http://">BBC News</a></li>
   </ul>

   <li id="foldheader">Webmaster</li>
   <ul id="foldinglist" style="display:none" style=&{head};>
      <li><a href="http://">Dynamic Drive</a></li>
      <li><a href="http://">JavaScript Kit</a></li>
      <li><a href="http://">Freewarejava.com</a></li>
   </ul>

   <li id="foldheader">Nested Example</li>
   <ul id="foldinglist" style="display:none" style=&{head};>
      <li><a href="http://">outer 1</a></li>
      <li><a href="http://">outer 2</a></li>
      <li id="foldheader">Nested</li>
      <ul id="foldinglist" style="display:none" style=&{head};>
         <li><a href="http://">nested 1</a></li>
         <li><a href="http://">nested 2</a></li>
      </ul>
      <li><a href="http://">outer 3</a></li>
      <li><a href="http://">outer 4</a></li>
   </ul>
</ul>

</font>
---------------------
This code is simple and easy to edit.

20120131-EE-VQP-002

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