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OnClientFileUploadRemoving

The OnClientFileUploadRemoving occurs before a selected file is about to be removed from the uploaded files collection.The event can be cancelled

The event handler receives two parameters:

  1. The instance of the RadAsyncUpload control firing the event.

  2. An eventArgs parameter containing the following methods:

  • set_cancel lets you prevent the row from being deleted.

  • get_cancel returns whether the removing has been cancelled.

  • get_fileName the name of the file that is about to be removed from the uploaded files collection.

  • get_row returns the row containing the file input field for the file that is just about to be removed (<li> element)

  • get_rowIndex the index of the row that is about to be removed from the uploaded files collection.

<telerik:RadAsyncUpload RenderMode="Lightweight" runat="server" ID="RadAsyncUpload1" OnClientFileUploadRemoving="OnClientFileUploadRemoving"></telerik:RadAsyncUpload>
function OnClientFileUploadRemoving(sender,args) {

    if (args.get_rowIndex()==0) {
        args.set_cancel(true);
    }
}