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The OnClientFileUploadFailed client-side event occurs when an error has occured, while uploading the selected file. Common reason for this event to be fired is when a file upload has failed due to a server-side error.

The event handler receives two parameters:

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

  2. An eventArgs parameter containing the following method:

  • get_message returns the original error message.

One useful case for using this event is to check the error message.

<telerik:RadCloudUpload runat="server" ID="RadCloudUpload1" OnClientUploadFailed="onClientUploadFailed">
function onClientUploadFailed(sender, eventArgs) {
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