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Migrating from RadUpload for ASP.NET AJAX to RadAsyncUpload

Since we deprecated the RadUpload control in June 2013 (Q2 2013), we highly recommendusing the RadAsyncUpload control instead. This article describes the steps that you needto take in order to migrate from RadUpload control to RadAsyncUpload.

Migrating from RadUpload for ASP.NET AJAX to RadAsyncUpload

To migrate a web application from RadUpload for ASP.NET AJAX to the new RadAsyncUpload, you need to follow these steps:

  1. Make sure that you have registered the handler's URL in the web.config. This is done by using the Smart Tag of the RadAsyncUpload.

  2. Replace the old declaration:

    ASP.NET

    <telerik:RadUpload …></telerik:RadUpload> 
    

    with the new one:

    ASP.NET

    <telerik:RadAsyncUpload RenderMode="Lightweight" …></telerik:RadAsyncUpload> 
    
  3. You can leave all old properties intact.

  4. [Optional] Set the TemporaryFolder property. In most cases it can be any folder. There are two exceptions:

  • In medium trust this must be a folder that is inside your application folder

  • In a web farm environment, the TemporaryFolder as well as the TargetFolder properties must be set to folders located on a shared drive.

See Also

Getting Started

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