Object doesn't support this property or method error

M

MattW

HI all. I'm trying to create a tabbed HTA that allows me to pull a
list of user groups on one tab, compare groups on another tab, and
assign groups on the 3rd tab. The first and second tabs will display
the list of groups in an innerHTML, but the button to run the function
isn't working. Here's the code I'm using:

<html>
<head>
<title>AD User Group Migration Tool</title>
<link href="testweb.css" rel="stylesheet" type="text/css" />
<script type="text/javascript">

hideLayer('lyr3')


var origWidth, origHeight;
if (document.layers) {
origWidth = window.innerWidth; origHeight = window.innerHeight;
window.onresize = function() { if (window.innerWidth != origWidth ||
window.innerHeight != origHeight) history.go(0); }
}

var cur_lyr;
function swapLayers(id) {
if (cur_lyr) hideLayer(cur_lyr);
showLayer(id);
cur_lyr = id;
}

function showLayer(id) {
var lyr = getElemRefs(id);
if (lyr && lyr.css) lyr.css.display = "block";
}

function hideLayer(id) {
var lyr = getElemRefs(id);
if (lyr && lyr.css) lyr.css.display = "none";
}

function getElemRefs(id) {
var el = (document.getElementById)? document.getElementById(id):
(document.all)? document.all[id]: (document.layers)?
document.layers[id]: null;
if (el) el.css = (el.style)? el.style: el;
return el;
}
var arrUsers = new Array(1);
WshNetwork = new ActiveXObject("Wscript.Network");
strUserDomain = WshNetwork.UserDomain

function ExitProgram(){
window.close();
}

function TabStrip_Change(){
switch(TabStrip.Value){
case 0:
Page1.style.visibility = "hidden";
Page0.style.visibility = "visible";
Page2.style.visibility = "hidden";
case 1:
Page0.style.visibility = "hidden";
Page1.style.visibility = "visible";
Page2.style.visibility = "hidden";
case 2:
Page0.style.visibility = "hidden";
Page1.style.visibility = "hidden";
Page2.style.visibility = "visible";
}
}

function btnGet_Click(){

var sUser1 = User1.value ;
var sUser2 = User2.value;

for (oGroup in objUser.Groups)
{
var sGroups = sGroups + oGroup.Name + '\r\n' + "<br>" ;
}
Next ;
document.getElementById('DataArea').innerHTML = sGroups;
}

// Constants for the NameTranslate object.

function btnComp_Click(){

WshNetwork = new ActiveXObject("Wscript.Network");
arrUsers(0) = User1.value;
arrUsers(1) = User2.value;
for (i = 0; i<=1;)
if(i = 0){
UserGroup1.InnerHTML = GetAllGroups(i);
}else if(i = 1){
UserGroup2.InnerHTML = GetAllGroups(i);
}
Next;
}

function btnRun_Click(){

//text box values
sUser1 = User1.value;
sUser2 = User2.value;

objUser = GetObject("WinNT://" + strUserDomain + "/" + sUser1)
objTemplate = GetObject("WinNT://" + strUserDomain + "/" + sUser2)

//Pull the Groups for the Template user.
for (oGroup in objTemplate.Groups);
//Check to see if(the user is already a member;
if((ogroup.ismember(objUser.adspath)=False)){;
//Add the new user to this group;
ogroup.Add(objUser.AdsPath);
sGroups = sGroups + oGroup.Name + '\r\n' + "<br>";
}
Next;
DataArea.InnerHTML = sGroups;
}

//Put application in wait &&){ clear

/**
* Delay for a number of milliseconds
*/
function sleepwait(delay){
var start = new Date().getTime();
while (new Date().getTime() < start + delay);
Initialize(4)
}
//Clear variables

function Initialize(){
user1.value = "";
user2.value = "";
Message.InnerHTML = "";
document.getElementById('DataArea').innerHTML = "";
document.getElementById('UserGroup1').innerHTML = "";
document.getElementById('UserGroup2').innerHTML = "";
}

function GetAllGroups(i){
// On Error Resume Next
WshNetwork = new ActiveXObject("Wscript.Network") ;
strDN = WshNetwork.UserDomain;
sUser = arrusers(i);
objUser = GetObject("WinNT://" + strDN + "/" + sUser);
for (oGroup in objUser.Groups);
sGroups = sGroups + oGroup.Name + '\r\n' + "<br>";
Next;
GetAllGroups = sGroups;
}

function Testing(){
document.getElementById('DataArea').innerHTML = "";
}

</SCRIPT>
</head>
<body onload="swapLayers('lyr1')">
<div id="section-4">

<ul id="menu">
<li><a href="javascript:void(0)" class="nav-1"
onclick="swapLayers('lyr1'); return false">Get Groups</a></li>
<li><a href="javascript:void(0)" class="nav-2"
onclick="swapLayers('lyr2'); return false">Compare Groups</a></li>
<li><a href="javascript:void(0)" class="nav-3"
onclick="swapLayers('lyr3'); return false">Assign Groups</a></li>
</ul>

<table id="contents"><tr><td align="left" valign="top">
<div id="lyr1">
<form id="horizontalForm" action="">
<input id="sUser1" name="sUser1" type="text"/>
<input type="button" id="btnGet_Click" value="Get Groups" class="btn"
onmouseover="this.className='btn btnhov'"
onmouseout="this.className='btn'" onclick="btnGet_Click()" />
<p id="DataArea">This is the Data Area.</p>
</div>
<div id="lyr2">
<div class="alignCenter"><label class="alignTopLeft" for="User1">
<strong>First User ID</strong></label></div>
<div class="alignCenter"><input name="User1" id="User1" size="30"
maxlength="30" /></div>
<input type="button" value="Get Groups" name="btnGet"
onClick="btnGet_Click" STyle='background-color: ButtonFace;'
STyle='color:ButtonText;'>
<br>
<div class="alignCenter"><label class="alignTopLeft" for="User2">
<strong>Second User ID</strong></label></div>
<div class="alignCenter"><input name="User2" id="User1" size="30"
maxlength="30" /></div>
</div>

<div id="lyr3">
<div class="alignCenter"><label class="alignTopLeft" for="User1">
<strong>New User ID</strong></label></div>
<div class="alignCenter"><input name="User1" id="User1" size="30"
maxlength="30" /></div>
<br>
<div class="alignCenter"><label class="alignTopLeft" for="User2">
<strong>Template User ID</strong></label></div>
<div class="alignCenter"><input name="User2" id="User1" size="30"
maxlength="30" /></div>
</div>
</td></tr></table>
</div>

</body>
</html>

The javascript portion is an attempt at a translation from vbscript,
and doesn't give me any errors when I compile, but I get an "Object
doesn't support this property or method" error when I click the Get
Groups Button. If I change the onClick to the Testing() function, it
works, so the problem has to be something in my btnGet_Click
function. Could someone look at this and help me determine where I'm
going wrong? Thanks!
 
M

Martin Honnen

MattW said:
HI all. I'm trying to create a tabbed HTA that allows me to pull a
list of user groups on one tab, compare groups on another tab, and
assign groups on the 3rd tab. The first and second tabs will display
the list of groups in an innerHTML, but the button to run the function
isn't working. Here's the code I'm using:

if (document.layers) {
Click to expand...

If you write a HTA then why do you need such checks for document.layers
which is part of the Netscape 4 object model nobody cares about anymore?
Not the cause of your problem but rather odd.

function btnGet_Click(){

var sUser1 = User1.value ;
var sUser2 = User2.value;

for (oGroup in objUser.Groups)
{
var sGroups = sGroups + oGroup.Name + '\r\n' + "<br>" ;
}
Next ;
Click to expand...

There is no Next statement in JavaScript so drop that line.

UserGroup1.InnerHTML = GetAllGroups(i);
Click to expand...

By the way, the property is named innerHTML not InnerHTML and JavaScript
is case-sensitive.

There might be other issues I have not found.
 
R

Richard Cornford

On Jun 24, 3:50 pm, MattW wrote:
function btnGet_Click(){
Click to expand...
<input type="button" id="btnGet_Click" value="Get Groups"
class="btn" onmouseover="this.className='btn btnhov'"
onmouseout="this.className='btn'" onclick="btnGet_Click()" />
Click to expand...
<snip>

Why the XHTML style mark-up when an HTA is only useful on IE and IE
does not understand XHTML (will interpret the document at tag-soup
HMTL and expend effort error correcting it)?
..., so the problem has to be something in my btnGet_Click
function.
Click to expand...

No, it isn't.
Could someone look at this and help me determine where I'm
going wrong? Thanks!
Click to expand...

Your problem is the scope chain augmentation of functions generated
from intrinsic event attributes. When the browser builds a function
from the value of your - onclick - attribute it automatically adds a
number of objects to the scope chain of that function. Those objects
include the INPUT element to which the attribute belongs, the FORM
element that contains the attribute and the document object that
contains the form. Unqualified Identifiers like - btnGet_Click - are
resolved against the scope chain by examining each object on the scope
chain in turn to see if it has a named property where then name has
the same character sequence as the Identifier ( 'btnGet_Click' in this
case).

A common 'shortcut' for forms in HTML DOMs is to assign properties to
the FORM element whose names correspond with the NAME and/or ID
attributes of the form controls contained by the form. This allows
access to controls such as - document.forms[0].btnGet_Click - to refer
to the INPUT element.

So the FORM element is on the function's scope chain, and the form has
a property named 'btnGet_Click' which refers to the INPUT element.
When the Identifier - btnGet_Click - in - btnGet_Click() - is resolved
it resolves as the property of the FORM element named 'btnGet_Click',
which refers to the INPUT element, and the attempt to call the INPUT
element produces an "object does not support this property or method"
error because the INPUT element does not have the internal [[Call]]
method and so cannot be called.

Richard.
 
M

MattW

If you write a HTA then why do you need such checks for document.layers
which is part of the Netscape 4 object model nobody cares about anymore?
Not the cause of your problem but rather odd.




There is no Next statement in JavaScript so drop that line.


By the way, the property is named innerHTML not InnerHTML and JavaScript
is case-sensitive.

There might be other issues I have not found.
Click to expand...

Thanks for your comments, Martin. I'm using the layer check to
achieve a tabbed effect. If an alternate method would work better,
I'd love to see it, as I'm pretty raw at this, and that was taken from
a code sample.

The innerHTML tag is actually in the correct case in the btnGet_Click
function, but I've corrected the case in the other areas of the script
and dropped the Next, still the same error. Thanks for trying to
help, though.
 
M

MattW

On Jun 24, 3:50 pm, MattW wrote:
<input type="button" id="btnGet_Click" value="Get Groups"
class="btn" onmouseover="this.className='btn btnhov'"
onmouseout="this.className='btn'" onclick="btnGet_Click()" />
Click to expand...

<snip>

Why the XHTML style mark-up when an HTA is only useful on IE and IE
does not understand XHTML (will interpret the document at tag-soup
HMTL and expend effort error correcting it)?
..., so the problem has to be something in my btnGet_Click
function.
Click to expand...

No, it isn't.
Could someone look at this and help me determine where I'm
going wrong?  Thanks!
Click to expand...

Your problem is the scope chain augmentation of functions generated
from intrinsic event attributes. When the browser builds a function
from the value of your - onclick - attribute it automatically adds a
number of objects to the scope chain of that function. Those objects
include the INPUT element to which the attribute belongs, the FORM
element that contains the attribute and the document object that
contains the form. Unqualified Identifiers like - btnGet_Click - are
resolved against the scope chain by examining each object on the scope
chain in turn to see if it has a named property where then name has
the same character sequence as the Identifier ( 'btnGet_Click' in this
case).

A common 'shortcut' for forms in HTML DOMs is to assign properties to
the FORM element whose names correspond with the NAME and/or ID
attributes of the form controls contained by the form. This allows
access to controls such as - document.forms[0].btnGet_Click - to refer
to the INPUT element.

So the FORM element is on the function's scope chain, and the form has
a property named 'btnGet_Click' which refers to the INPUT element.
When the Identifier - btnGet_Click - in - btnGet_Click() - is resolved
it resolves as the property of the FORM element named 'btnGet_Click',
which refers to the INPUT element, and the attempt to call the INPUT
element produces an "object does not support this property or method"
error because the INPUT element does not have the internal [[Call]]
method and so cannot be called.

Richard.
Click to expand...

Thanks for your comments, Richard. As the XHTML markup goes, I'm
pretty new to HTA's and Javascript, so alot of what I'm using is
cobbled together from other examples. Because I'm not a coder by
profession, I'm left to learn from my mistakes, and I always
appreciate clear direction that helps me move forward.
 

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