javascript: "Object doesn't support this property or method" when ActiveX object called

Question

I've got simple html on Login.aspx with an ActiveX object:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head><title></title>
<script language="javaScript" type="text/javascript"> 

    function getUserInfo() 
    {
        var userInfo = MyActiveX.GetInfo();
        form1.info.value = userInfo;
        form1.submit();
    }

</script>
</head>

<body onload="javascript:getUserInfo()">
<object id="MyActiveX" name="MyActiveX" codebase="MyActiveX.cab" classid="CLSID:C63E6630-047E-4C31-H457-425C8412JAI25"></object>
    <form name="form1" method="post" action="Login.aspx">
        <input type="hidden" id="info" name="info" value="" />
    </form>
</body>
</html>

The code works perfectly fine on my machine (edit: hosted and run), it does't work on the other: there is an error "Object doesn't support this property or method" in the first line of javascript function. The cab file is in the same folder as the page file. I don't know javascript at all and have no idea why is the problem occuring. Googling didn't help. Do you ave any idea?

Edit: on both machines IE was used and activex was enabled.

Edit2: I also added if (document.MyActiveX) at the beggining of the function and I still get error in the same line of code - I mean it looks like document.MyActiveX is true but calling the method still fails

Are you sure ActiveX is enabled on the machine you're failing on? Note that Zone will matter (local, intranet, internet) and have different security characteristics. Local, intranet zones typically have ActiveX off altogether by default. — Rick Strahl
– Rick Strahl, Commented Sep 22, 2009 at 7:42
checked it all - all zones have everything with activex enabled — agnieszka
– agnieszka, Commented Sep 22, 2009 at 7:46

Nirmal · Accepted Answer · 2009-09-22 08:05:37Z

2

I think the onload event is making the function to run even before the ActiveX object is loaded. You may try the following instead:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
    <head>
        <title></title>
        <script language="javaScript" type="text/javascript">
            function getUserInfo(){
                if(document.MyActiveX){
                    var userInfo = MyActiveX.GetInfo();
                    form1.info.value = userInfo;
                    form1.submit();
                }
            }
        </script>
    </head>
    <body>
        <object id="MyActiveX" name="MyActiveX" codebase="MyActiveX.cab" classid="CLSID:C63E6630-047E-4C31-H457-425C8412JAI25"></object>
        <script for="window" event="onload" language="JavaScript">
            window.setTimeout("getUserInfo()", 500);
        </script>

        <form name="form1" method="post" action="Login.aspx">
            <input type="hidden" id="info" name="info" value="" />
        </form>
    </body>
</html>

Now the getUserInfo() function will start to run 500 milliseconds after the page is loaded. This must give some time for the ActiveX object to be loaded.

edited Sep 22, 2009 at 8:05

answered Sep 22, 2009 at 7:36

Nirmal

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6 Comments

Nirmal Over a year ago

Most of the times, ActiveX installation is blocked by the browsers. If using IE, a yellow alert bar appears asking whether you want to install the object. Only after the user's consent, the object will be installed. If the object is not loaded, then the function dealing with the object must check whether the required object is loaded. And hey, not all ActiveX objects are pre-loaded in everyone's machine.

Nirmal Over a year ago

Since you are calling the function as soon as the document loads, there is a possibility that the function runs even before the ActiveX object is loaded. Refer to my edited answer.

outis Over a year ago

agnieszka Over a year ago

doesn't fire the js function at all

Nirmal Over a year ago

Are you sure the function is not fired? Can you recheck with an alert message inside the function?

|

Oleg Kalenbet · Accepted Answer · 2010-06-16 14:50:31Z

2

IE8 manages access to the ActiveX on domain level.

To fix it:

IE8, Tools -> Manage Add-ons
In "Toolbars and Extensions" find your ActiveX
Right click - More information
Click - Allow on all sites
Enjoy

answered Jun 16, 2010 at 14:50

Oleg Kalenbet

6483 silver badges8 bronze badges

Comments

Khodor · Accepted Answer · 2009-09-22 07:27:08Z

0

maybe the browser on the other machine does not support activeX? just a wild guess

answered Sep 22, 2009 at 7:27

Khodor

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Comments

Shay Erlichmen · Accepted Answer · 2009-09-22 07:38:52Z

0

Maybe the ActiveX needs some prerequisite (For example CRuntime) that isn't present on the other machines? Have you tried running depends for the Activex on the hosting machine?

answered Sep 22, 2009 at 7:38

Shay Erlichmen

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Comments

erikkallen · Accepted Answer · 2009-09-22 08:15:26Z

0

Maybe the other machine has a virus scanner or similar which silently prevents ActiveX use?

answered Sep 22, 2009 at 8:15

erikkallen

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