What does this error mean?

4 posts, 0 answers
  1. Dennis
    Dennis avatar
    2 posts
    Member since:
    Apr 2013

    Posted 24 Apr 2013 Link to this post

    Hi:

    I am evaluating Upload control. I download an example (from here: http://www.telerik.com/support/kb/silverlight/upload/uploadhandler-uniquefilename.aspx) and try. When I click on upload button,  I got the following error. What does it mean? I suppose the example should be working. What does the error mean? What should I do to make it work?

    Webpage error details

    User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)
    Timestamp: Wed, 24 Apr 2013 06:22:07 UTC

    Message: Unhandled Error in Silverlight Application
    Code: 4004   
    Category: ManagedRuntimeError      
    Message: System.NotSupportedException: The URI prefix is not recognized.
       at System.Net.WebRequest.Create(Uri requestUri)
       at Telerik.Windows.Controls.UploadDispatcher.SendRequest(AsyncCallback callback)
       at Telerik.Windows.Controls.UploadDispatcher.UploadNextChunk()
       at Telerik.Windows.Controls.UploadDispatcher.Resume()
       at Telerik.Windows.Controls.UploadDispatcher.Start()
       at Telerik.Windows.Controls.RadUpload.UploadNextFile()
       at Telerik.Windows.Controls.RadUpload.StartUpload()
       at Telerik.Windows.Controls.RadUpload.<.ctor>b__0(Object p)
       at Telerik.Windows.Controls.DelegateCommand.Execute(Object parameter)
       at Telerik.Windows.Controls.RadButton.ExecuteCommand()
       at Telerik.Windows.Controls.RadButton.OnClick()
       at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
       at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
       at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName, UInt32 flags)    

    Line: 54
    Char: 13
    Code: 0
    URI: file:///C:/Temp/Silverlight/RadUploadHandlerUniqueFileNameDemo/SLApp/Bin/Debug/TestPage.html

     
    Thanks,

    Dennis Huang

  2. Tina Stancheva
    Admin
    Tina Stancheva avatar
    3298 posts

    Posted 26 Apr 2013 Link to this post

    Hello Dennis,

    Please make sure to set the Web project as a StartUp project as otherwise the RadUpload client-side won't be able to find its server-side UploadHandler.

    All the best,
    Tina Stancheva
    the Telerik team

    Explore the entire Telerik portfolio by downloading Telerik DevCraft Ultimate.

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  4. Dennis
    Dennis avatar
    2 posts
    Member since:
    Apr 2013

    Posted 28 Apr 2013 Link to this post

    Thanks, Tina:

    I solved the problem in the same way. But I have another problem/question:
    1. When I tried to remove one of selected files, I clicked the X button but it often doesn't work.
    2. Can I invoke upload button from code and how can I pass some values to server because the file name must be saved as certain pattern?

    Thanks,

    Dennis Huang
  5. Tina Stancheva
    Admin
    Tina Stancheva avatar
    3298 posts

    Posted 02 May 2013 Link to this post

    Hello Dennis,

    Please accept my apology for the delayed response. The "Remove" button issue is caused by the custom RadUploadItem ControlTemplate. I attached the solution with updated ControlTemplate and now it should work as expected.

    As for invoking Upload from code-behind and passing parameters you can take a look at the following tutorials:

    You can also examine the How To Use RadUpload Programatically KB article.

    Please let us know if you have any additional questions.


    Kind regards,
    Tina Stancheva
    the Telerik team

    Explore the entire Telerik portfolio by downloading Telerik DevCraft Ultimate.

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