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Obtaining the treenode value with Javascript

Posted on 2008-06-12
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Last Modified: 2012-05-05
I'm using a treeview control and storing an 'id' number as the value of each treenode.  I'm trying to use Javascript to loop through all the tree nodes to find the ones that are 'checked' and pull the 'value' or ID number in order to populate another control on the page.  Can anyone tell me how to do this?  We're using VS2008.

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Question by:trebems
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Dustin Hopkins earned 375 total points
ID: 21783246
This code is setup to capture teh event and do a postback, i;m sure you can edit it to get the value or text.
Add this to teh treeview:

add the onclick event to your treeview:
<asp:TreeView ID="TreeView1" onClick="javascript:postbackOnCheck(event);" runat="server"  ShowCheckBoxes="All">

<script type="text/javascript" language="javascript">
 
function postbackOnCheck(e) 
{ 
var isNav = (window.navigator.appName.toLowerCase().indexOf("netscape")>=0); 
var o; 
if (isNav && e != null) 
o = e.target; 
else 
o = window.event.srcElement; 
if (o.tagName == 'INPUT' && o.type == 'checkbox' 
&& o.name != null && o.name.indexOf('CheckBox') > -1) 
__doPostBack("",""); 
} 
</script>

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by:trebems
ID: 31466704
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by:trebems
ID: 21815946
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