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Home > Forums > Programmers > Development Tools > Quest Software solutions Forum

how to create a MsComDlg.CommonDialog object in javascript

csq (Programmer)

7 Feb 01 21:33

Hi all expert,

I have a question to ask:

I want to put a button on htm file which can open a dialog I can select file from local drive, it is like a <input type="file"> but because <input type="file"> can't preset the value.

but when I use
var cdl = new ActiveXObject("MsComDlg.CommonDialog");
to create a commondialog object, it doesn't work. It shows
Automation server can't create object error.

attached is my code, my software environment is window2000/IE5.5/office2000

<html>
<head></head>
<script >
function getfile( ){
  var cdl = new ActiveXObject("MsComDlg.CommonDialog");
  cdl.showopen;
  this.document.form1.txtFile.value = cdl.filename;
}
</script>
<form name="form1">
<input type = "text" name = "txtFile" >
<input type = "button" value = "Browse ..." onClick="getfile )" >
</form>
</html>

Thanks.

Megi

nachi (Programmer)

23 Jan 02 18:30

Hi Megi

I am currently running into the same problem you are having, did you ever find a solution?

Thanks
arlene

ullrich (Visitor)

18 Apr 02 12:47

Well, first this is JavaScript, right?

so it should be
var cdl=new ActiveXObject("MsComDlg.CommonDialog");
  cdl.ShowSave();
  alert(cdl.FileTitle);
// This is CASE significant

Still, it doesnt work for me with some stupid 'van't init' message.

What works is including the Object in your doc and using that:

    theForm.CommonDialog1.ShowSave();

    var fn=theForm.CommonDialog1.FileTitle;

.....

<OBJECT ID="CommonDialog1" WIDTH=0 HEIGHT=0
CLASSID="CLSID:F9043C85-F6F2-101A-A3C9-08002B2F49FB"
CODEBASE="http://activex.microsoft.com/controls/vb5/comdlg32.cab";
    <PARAM NAME="CancelError" VALUE="1">
    <PARAM NAME="DialogTitle" VALUE="Select Data File">
    <PARAM NAME="Filter" VALUE="Dynasty Data Files (*.civ)|*.civ|All Files (*.*)|*.*">
</OBJECT>

Hope this helps
Ullrich

ullrich (Visitor)

18 Apr 02 13:18

Hello, me again...

This works:

var cdl=new ActiveXObject("MsComDlg.CommonDialog");

  cdl.MaxFileSize=256;
  cdl.DialogTitle="Select Data File";
  cdl.Filter="Dynasty Data Files (*.civ)|*.civ|All Files (*.*)|*.*";
  cdl.ShowSave();
  alert(cdl.FileTitle);

Looks like you MUST initialize MaxFileSize.

Best regards
Ullrich

xMC (Visitor)

15 May 02 11:12

I attempted to use the code listed above, but alas... the server still can't create the object. Is there a meta tag being used the reference the MSComDlg.CommonDialog object?

Rambeaut (Visitor)

19 Jul 02 8:40

It (the Hello, me again version) worked for me!!

WendyG (Visitor)

2 Aug 02 10:17

Thanks Ullrich I was having problems in my Vb and including it in the dialog works

Botolph (Programmer)

4 Jul 03 12:01

To get around the "Automation server can't create object" error (and to avoid using ActiveX at all) try this:

<div id="divHidden" style="visibility: hidden; width: 0px; height: 0px">
  <input type=file id="fileInput">
</div>

<input type=button value="click here to get a file" onclick="getFile();">

<script language=javascript>
function getFile()
{
  //Use the <input type='file'...> object to get a filename without showing the object.
  document.all["fileInput"].click();
  var fileName = document.all["fileInput"].value;
  alert(fileName);
}
</script>

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