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kschoenl  
#1 Posted : Wednesday, October 13, 2010 1:28:44 AM(UTC)
kschoenl

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We built a web application which utilizes the Dual 6.5 Image Uploader component, but our client has complained that sometimes the "Add Files", "Add Folders" and "Upload" buttons do not appear in Internet Explorer.

The interface we are using is based on your 'Robust Upload Demo' (and even uses the exact same buttons that came with that demo code).

The problem is inconsistent; sometimes the buttons appear and sometimes they do not. If the user left-clicks where the images 'should be', the component functions normally. They have been able to produce the problem on more than one computer, in both IE7 and IE8.
kschoenl attached the following image(s):
aurigma upload - no buttons.gif
Dmitry.Obukhov  
#2 Posted : Wednesday, October 13, 2010 5:18:06 PM(UTC)
Dmitry.Obukhov

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Hello Keith,

Thank you for contacting us.

I tried to reproduce the problem you described. I tested our sample “Robust Upload Demo” on IE8/Windows 7, and IE7/Windows XP. However, I did not get the same effect as you did. All buttons were shown okay.

Most probably, this problem occurs for users, which have slow internet connection. Could you clarify whether you reproduce this problem, or not? Also, do your users face it on IE or on some Java-enabled browsers (FF, Chrome, Safary, etc) too? It would be great, if you provide me with a link to your site, where this problem occurs.

Looking forward to your reply.
Best regards,
Dmitry Obukhov
Technical Support. Aurigma, Inc.
kschoenl  
#3 Posted : Tuesday, October 19, 2010 5:26:19 AM(UTC)
kschoenl

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(Thanks for your quick response. I had to wait to get some more answers from our client.)

I have never been able to reproduce the problem myself.

Our client told me that the following page works fine for them:

http://demo.aurigma.com/...obustUpload/default.aspx

But on this page, the problem occurs:

http://norwood.addisonte...om/test/upload_test.aspx

I asked them to test the page in a browser other than IE, but they were unwilling to do so. They were also unwilling to test the page from a computer outside their network.

I asked them if they wait 60 seconds, do the buttons eventually appear (that was my subtle way of trying to determine if the problem is a slow connection); they said that when the problem occurs, the buttons never appear no matter how long they wait.
kschoenl  
#4 Posted : Tuesday, October 19, 2010 5:35:52 AM(UTC)
kschoenl

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I spoke too soon. I was just able to reproduce the problem myself. When I attempted to load the upload_test.aspx page in Internet Explorer 8, I got the exact behavior the client described (the buttons were invisible, but otherwise functioned normally).

When I reloaded the page, the buttons appeared. I then did a few dozen reloads and the buttons appeared every time. BUT if I close and reopen IE, the problem DOES happen again on the first load. That seems to happen every time. When I first open an IE window, the first time I visit the page, the problem always happens. When I reload the page, the buttons then appear.
Dmitry.Obukhov  
#5 Posted : Tuesday, October 19, 2010 6:57:50 PM(UTC)
Dmitry.Obukhov

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Hello Keith,

Thanks for the given link.

I have tried to reproduce this problem. I opened your page with Image Uploader in Internet Explorer. All custom buttons were loaded in a few seconds, and shown. Also, I checked it in Fiddler (HTTP debugger) – images of buttons were loaded (see the screen shot attached).
Dmitry.Obukhov attached the following image(s):
screenShot.PNG
Best regards,
Dmitry Obukhov
Technical Support. Aurigma, Inc.
kschoenl  
#6 Posted : Wednesday, October 20, 2010 1:34:39 AM(UTC)
kschoenl

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I tried it from home last night, and was able to reproduce the behavior I described above (in IE, the buttons fail to display, but only on the very first page load after opening a new browser window).

This morning, I tried visiting the Robust Upload demo (from my work computer, in IE) and I can consistently produce the same behavior there as well.

http://demo.aurigma.com/...obustUpload/default.aspx
Dmitry.Obukhov  
#7 Posted : Wednesday, October 20, 2010 5:24:51 PM(UTC)
Dmitry.Obukhov

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Hello Keith,

I have opened your page today in IE, but all buttons were loaded. Therefore, I recommend you to use a workaround. Probably, it can help to resolve the problem.
Please follow these steps to implement this workaround:
  1. Set empty strings for ButtonAddFilesText, ButtonAddFoldersText, and ButtonSendText properties:
    Code:
    
    //…code…
    iu.addParam("ButtonAddFilesText", "");
    iu.addParam("ButtonAddFoldersText", "");
    iu.addParam("ButtonSendText", "");
    //…code…
    

    These buttons will be invisible.
  2. Use three custom buttons with the followng onclick events:
    Code:
    
    <img src="Images/AddFilesNormal.png" onclick=" getImageUploader("ImageUploader1").AddFiles();"/>
    <img src="Images/AddFoldersNormal.png" onclick=" getImageUploader("ImageUploader1").AddFolders();"/>
    <img src="Images/UploadNormal.png" onclick=" getImageUploader("ImageUploader1").Send();"/>
Please try this workaround and test it, then let me know about the results whether the buttons will be loaded.
Best regards,
Dmitry Obukhov
Technical Support. Aurigma, Inc.
kschoenl  
#8 Posted : Thursday, October 21, 2010 12:15:51 AM(UTC)
kschoenl

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That's a good workaround solution. The only downside is that there is blank space between the buttons and the file-list window, but I can live with that. The buttons display properly every time in IE with them coded this way (as normal IMG tags).

Thanks for your help.
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