Hide fields depending on selection

stockton · August 31, 2009

In the following code I am attempting to get certain fields to only appear if the user Selects dependent else those fields should be hidden.

Please tell me what I have done wrong?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<title>Display and Hide</title>
<script language="JavaScript">
  function showhidefield()
  {
    if (document.HelpAdd.RecordType.value == "Parent")
    {
      document.getElementById("hideablearea").style.visibility = "hidden";
    }
    else
    {
      document.getElementById("hideablearea").style.visibility = "visible";
    }
  }
</script>

</head>
<body>
<form name='HelpAdd' action='nextpage.asp'>
<table align="center" border="3" cellspacing="0" cellpadding="3">
<tr><td>Record Type:</td>
<td><select id="RecordType" name="RecordType" onchange=showhidefield()>
<option value='0'>Parent</option>
<option value='1'>Dependant</option><br/>
<tr><td>Topic Title:</td>
<td><input type="text" name="TopicName" ID="TopicName" maxlength="25"></td></tr>

<div id='hideablearea' style='visibility:hidden;'>
<tr><td>Parent:</td>
<td><select name="Parent">
<input type="text" name="ParentID" ID="ParentID" maxlength="25"></td></tr>
<tr><td>Topic Body:</td>
<input type="hidden" name="MAX_FILE_SIZE" value="<?php echo $MaxFileSize ?>" />
<td><input id="helpfile" name="helpfile" type="file" /></td></tr>
</div>
<tr><td colspan="2" align="center">
<input type="submit" name="submit" value="Submit">
<a href="/help.php"><button>Back</a>
</td></tr>
<tr><td colspan="2" align="center">
<?php echo $Message ?>
</td></tr>
</table>
</form>
</body>
</html>

Sign In

Hide fields depending on selection

Recommended Posts

stockton

Link to comment

Share on other sites

Archived

Browse

Activity

Important Information