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Button to select files for uploading unavailable in IE

Last post 07-26-2012, 1:04 PM by dpellerin. 22 replies.

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03-02-2012, 5:33 AM 73283

MarjaR
Joined on 04-23-2009
Posts 59

Button to select files for uploading unavailable in IE

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The button to select files for uploading is not always working Internet Eplorer. It looks enabled, but clicking on it does nothing. It does not bring up the file selection dialog.
Other browsers don't have this issue. It is IE only.

I'm using Internet Explorer 9 under Windows Vista.

I see the same problem on your demo page at eg. http://ajaxuploader.com/Demo/select-multiple-files-upload.aspx

What can we do to solve this?

Regards, Marja

03-02-2012, 7:52 AM 73287 in reply to 73283

Kenneth
Joined on 02-13-2008
Posts 3,073

Re: Button to select files for uploading unavailable in IE

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Hi MarjaR,

What version silverlight/flash plug-in you are using with your ie browser?

Some time load the plug-in will take a few seconds. You just need to wait for the plug-in load complete.

Regards,

Ken

03-02-2012, 8:04 AM 73290 in reply to 73287

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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Silverlight version 5.0.61118.0

Shockwave Flash version 11.1.102.62

Waiting a few seconds does not help. The button just won't work at all, no matter how long I wait.

Regards, Marja

03-06-2012, 7:44 AM 73348 in reply to 73290

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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Kenneth, any news/insights about this issue ?

It's getting more and more urgent because my customers are increasingly complaining about it.

Regards, Marja

03-07-2012, 7:38 AM 73368 in reply to 73348

Kenneth
Joined on 02-13-2008
Posts 3,073

Re: Button to select files for uploading unavailable in IE

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Hi MarjaR,

This issue should cause by your silverlight 5.

Please download the latest version here http://ajaxuploader.com/download/Ajax-Uploader.zip and try again. It should work for you.

Regards,

Ken

03-07-2012, 8:46 AM 73369 in reply to 73368

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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I tried the new DLL but it still doesn't work in Internet Explorer.

The button to bring up the file selection dialog is black (enabled), then gray (disabled) and then black (enabled) again. But clicking on it does absolutely nothing.

I have the latest version of the Silverlight plugin. So what else should I do to get this working?

Regards, Marja

03-08-2012, 7:12 AM 73378 in reply to 73369

Kenneth
Joined on 02-13-2008
Posts 3,073

Re: Button to select files for uploading unavailable in IE

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Hi MarjaR,

Please try on demo http://www.ajaxuploader.com/Demo/select-multiple-files-upload.aspx with your ie browser. Does it work for you?

What I mean is the problem causes by your silverlight 5. I suggest you use silverlight 4. If you must use silverlight 5, please refer to the info below

--------------------------------------------------

It is the microsoft silverlight plug-in bug, silverlight 5 must use with Silverlight 5 Tools for Visual Studio .you can download the tools at http://www.silverlight.net/getting-started, it will fix the problem.

Silverlight will not automatic updates to 5.0,If your client manually update to 5.0, then please let him instal the Silverlight 5 Tools too.

--------------------------------------------------

Regards,

Ken

03-08-2012, 7:31 AM 73379 in reply to 73378

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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The demo at http://www.ajaxuploader.com/Demo/select-multiple-files-upload.aspx doesn't work for me, regretfully.

I will try downgrading Silverlight to version 4 and see if that changes anything.

Regards, Marja

03-08-2012, 7:56 AM 73380 in reply to 73379

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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I can' t find how to downgrade Silverlight to a lower version. It seems only version 5 (the one I already had) is available for download.

So I tried setting UploadType="Flash" explicitly on the CuteWebUI:Uploader, to bypass Silverlight alltogether, but then I run into an error in the Ajax Uploader component:

"Line: 1 Error: Unable to get value of the property 'length': object is null or undefined"

I get this same error in IE (without the Silverlight plugin being installed) on your demo page at http://ajaxuploader.com/Demo/select-multiple-files-upload.aspx

The upload itself succeeds, but the error is annoying.

Regards, Marja

03-08-2012, 8:21 AM 73381 in reply to 73378

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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Kenneth:
--------------------------------------------------
It is the microsoft silverlight plug-in bug, silverlight 5 must use with Silverlight 5 Tools for Visual Studio .you can download the tools at http://www.silverlight.net/getting-started, it will fix the problem.
Silverlight will not automatic updates to 5.0,If your client manually update to 5.0, then please let him instal the Silverlight 5 Tools too.
--------------------------------------------------

I can't ask my clients to install the Silverlight 5 tools. My clients are organisations and I don't know all the individual users.

Asking them all to downgrade their Silverlight plugin (if at all possible) is simply not an option, nor is asking them all the install any additional tools.

It should work out-of-the-box.

Regards, Marja

03-08-2012, 1:01 PM 73385 in reply to 73381

Kenneth
Joined on 02-13-2008
Posts 3,073

Re: Button to select files for uploading unavailable in IE

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Hi MarjaR,

The silverlight plug-in will not update to version 5 automatically.

You can disable the silverlight upload mode by the code above, then it will not be the problem any more.

protected override void OnLoad(EventArgs e)

{

uploader1.SetAdvancedOption(UploaderAdvancedOption.NoSilverlight, "true");

base.OnLoad(e);

}

Regards,

Ken

03-09-2012, 2:03 AM 73387 in reply to 73385

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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Like I wrote before, bypassing the Silverlight plugin (and thus using Flash instead) results in a JavaScript error in Internet Explorer:
"Microsoft JScript runtime error: Unable to get value of the property 'length': object is null or undefined".

Regards, Marja

03-09-2012, 7:35 AM 73393 in reply to 73387

Kenneth
Joined on 02-13-2008
Posts 3,073

Re: Button to select files for uploading unavailable in IE

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Hi MarjaR,

Please try here http://ajaxuploader.com/demo/fulltest.aspx, does one of them work for you?

Regards,

Ken

03-09-2012, 7:45 AM 73394 in reply to 73393

MarjaR
Joined on 04-23-2009
Posts 59

Re: Button to select files for uploading unavailable in IE

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Test results in IE9 (with latest Silverlight plugin installed):

Auto: does NOT work
IFrame: works fine
Flash: file gets uploaded, but I get a JavaScript error (afterwards?)
Silverlight: does NOT work

Regards, Marja

03-09-2012, 7:55 AM 73395 in reply to 73394

Kenneth
Joined on 02-13-2008
Posts 3,073

Re: Button to select files for uploading unavailable in IE

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Hi MarjaR,

Do you mind disable your Anti-virus software and firewall to try again? By the way, reset the security settings of IE browser too.

It works very well for me

Regards,

Ken

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