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Disable RadAsyncUpload Control clientside during Upload Process

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AsyncUpload
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Pat
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Pat asked on 12 Mar 2012, 07:04 PM
I was wondering if there was anyway to disable RadAsyncUpload's upload button clientside while uploads are already taking place? I want to restrict the user from selecting and uploading files while files are already in the process of uploading.

Thanks again for the help!

-  Pat

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Bozhidar
Telerik team
answered on 14 Mar 2012, 09:53 AM
Hi Pat,

You can easily do that using the OnClientFileSelected and OnClientFileUploaded events. Here's what you have to write in the handler functions:
function fileSelected(sender, args) {
    sender.set_enabled(false);
}
 
function fileUploaded(sender, args) {
    sender.set_enabled(true);
}

 
Greetings,
Bozhidar
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Pat
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answered on 14 Mar 2012, 02:43 PM
Worked perfectly, thanks Bozhidar.
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Boris
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answered on 23 Sep 2013, 08:51 AM
This code makes radasyncupload only look disabled, but it is still possible to click the 'select' button and start uploading another file while the first is still being uploaded (and that causes an errror, the previous temp uploaded file can not be found).
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Bozhidar
Telerik team
answered on 24 Sep 2013, 05:54 AM
Hi Boris,

Could you specify which version of the controls you are using? Also, do you have any other controls on the page that might be interfering, or is this reproduced with a standalone page?
 

Regards,
Bozhidar
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Boris
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answered on 24 Sep 2013, 07:38 AM
My version of telerik controls is 2012.2.724.35. I haven't tried this on a standalone page. As soon as I do, I will get back here with the results.
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Boris
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answered on 27 Sep 2013, 09:06 AM
I tried it on a standalone page, still not working. Same as on my original page, it appears disabled after first upload, but it isn't. If I add another file while the first one is uploading, only then it becomes completely disabled. This is my code sample:

<script type="text/javascript"> 
    function ruAttachments_ClientFileSelected(sender, args) {
        sender.set_enabled(false);
    } 
    function ruAttachments_ClientFilesUploaded(sender, args) {
        sender.set_enabled(true);
    }
</script>
<Form runat="server">
<asp:ScriptManager runat="server"></asp:ScriptManager>
<telerik:RadAsyncUpload runat="server" ID="ruAttachments"
                      OnClientFileUploadRemoved="ruAttachments_ClientFilesUploaded"
                OnClientFileSelected="ruAttachments_ClientFileSelected"
                      OnClientFilesUploaded="ruAttachments_ClientFilesUploaded"
                      OnClientFileUploadFailed="ruAttachments_ClientFilesUploaded"
</telerik:RadAsyncUpload>
</Form>
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Bozhidar
Telerik team
answered on 30 Sep 2013, 06:44 AM
Hello Boris,

Thank you for the provided code.

It turns out that this is a bug in the Silverlight module that is used in IE. In all other browsers the AsyncUpload works as expected. You can workaround this issue by disabling the Silverlight module.

I've also logged the issue in our bug tracking system and we'll fix it as soon as we can.
 

Regards,
Bozhidar
Telerik
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ann
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answered on 23 Jul 2015, 06:41 PM
Any update on this is issue ? Would it be fixed ?
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Hristo Valyavicharski
Telerik team
answered on 28 Jul 2015, 04:19 PM
Hi,

Could you try this workaround:

<script type="text/javascript">
   Telerik.Web.UI.RadAsyncUpload.Modules.Silverlight.isAvailable = function () { return false; }
 </script>

Does it help?

Regards,
Hristo Valyavicharski
Telerik
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Bozhidar
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Pat
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Boris
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ann
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Hristo Valyavicharski
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