We have a similar issue:- IE 8 works well with Visual Studio and IIS < 7 - all other Windows browsers work well with every webserver - with IE 8 and IIS, the ''collection is read-only'' error shows after upload - adding<add key=''CuteWebUI.AjaxUploader.UseAspNetStream'' value=''True'' /> to web.config solves the issue, but the progress ...

geoffo: When I was experiencing my problems the speed was 1KB/s.   This suggests my connection speed perhaps.  Do you agree?     It happens to me before actually.   In some strange situations,  uploaders will have this issue if you have silverlight installed on your machine. It's very hard to catch ...

gustyn,   If Ajax Uploads detect silverlight is supported by user browser, Ajax Uploader will use silverlight solution. If Ajax Uploader detects flash is supported, Ajax uploader will use the flash solution. For other situations, Iframe solution will be used.   For your situation, I suggest you set up a temp upload ...

 Hi Ken, That was the first thing we did the when he was having troubles ... he updated to the latest version of silverlight and got rid of the error message. When he first installed/updated it was all good for a little while, then a few days later he was unable to select more than one image? He's since checked he's got the ...

Hi Ken, You're right ... he's using Silverlight 5.something . Unfortunately I don't feel right telling him he has to downgrade his software to use my platform? Especially after I  just got him to upgrade it.  What seems really strange is that I've got a couple of hundred people uploading files, but it seems this is the only guy ...

We have a client who had the same problem before.  He found out it's cause by AVG anti-virus and the UploadType is set to Silverlight. Here is the thread: http://cutesoft.net/forums/permalink/72833/67748/ShowThread.aspx#67748  Hope it helps. 

Terry, Thanks for quick responses. I should have been more specific regarding my needs. We have built everything off of your demo code using the Famewok 2.0-Cshap-MicosoftAjax\ project.  All of the customization we are doing is in the javascript using the handlexxxxx functions on a per uploader instance basis. We aren't using the ...

Hi d6Hemant,   The uploader support 4 upload types. HTML5, Silverlight, Flash, IFrame. it  it depends on your browser, if your browser support html5 and has silverlight/flash plug-in installed, then it will support all upload types. if the browser does not support html5,silverlight,flash, then the uploader will use the iframe ...

Hi pickledham,   The dialog filter function is based on silverlight/flash plug-in. You can set the upload type to Silverlight or Flash, if the browser has the plug-in installed, the dialog filter will shows for them.   $uploader->UploadType="Silverlight";   The dialog filter just a client side function, the ...

 I'm getting the same error message, although in different circumstances; - site used to work fine in IIS6 (on Win2k3)- site has moved to IIS7.5 (on Win2k8), and is otherwise ok- both sites use the UrlRewritingNet.UrlRewrite component, although I've also tried native IIS UrlRewrite on the newer server- uploading files now generates ...