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OnClientFilesSelecting
The OnClientFilesSelecting occurs when the files are just about to be processed.
The event handler receives two parameters:
-
The instance of the RadCloudUpload control firing the event.
-
An eventArgs parameter containing the following methods:
-
get_count returns the count of the selected files.
-
set_cancel lets you cancel the event and prevent items from being uploaded
ASP.NET
<telerik:RadCloudUpload runat="server" ID="RadCloudUpload1" OnClientFilesSelecting="onClientFilesSelecting" MultipleFileSelection="Automatic" ...>
</telerik:RadCloudUpload>
JavaScript
function onClientFilesSelecting(sender, eventArgs) {
eventArgs.set_cancel(true);
}