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Populate Drop Down List

Posted on 2010-09-12
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Last Modified: 2013-11-19
I simply need to populate a Drop Down List per an incoming Switch Value.

what is the syntax for adding a DROP DOWN OPTION to an existing list by ID?
to replace all in the list by the ID?

See skeleton below...
EXAMPLE HTML:

<select name="form_transaction_new.booking.medium_timing_id" id="form_transaction_new.booking.medium_timing_id">
 <option value="nan">Select Medium Timing</option>

</select>

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Question by:SMabs
  • 2
3 Comments
 
LVL 82

Accepted Solution

by:
leakim971 earned 2000 total points
ID: 33658510
Check this : http://www.w3schools.com/jsref/met_select_add.asp

You may use :

      function insertOption(id, value, text) {
            var option = document.createElement('option');
            option.text = text;
            option.value = value;
            var select = document.getElementById(id);
            try { select.add(option,null); } catch(ex) { select.add(option); }
      }

Test page :


<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script language="javascript">
	function insertOption(id, value, text) {
		var option = document.createElement('option');
		option.text = text;
		option.value = value;
		var select = document.getElementById(id);
		try { select.add(option,null); } catch(ex) { select.add(option); }
	}
</script>
</head>
<body onload="insertOption('form_transaction_new.booking.medium_timing_id', 'myValue', 'myText');">
<select name="form_transaction_new.booking.medium_timing_id" id="form_transaction_new.booking.medium_timing_id">
	<option value="nan">Select Medium Timing</option>
</select>
</body>
</html>

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Author Comment

by:SMabs
ID: 33658574
thanks!
0
 
LVL 82

Expert Comment

by:leakim971
ID: 33659424
You're welcome! Thanks for the points!
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