Unknown server tag?

[J Bliss]

am i using a old version or something???

the ddl version says: 2009.3.1103.20

I get unknown server tag trying to use the async upload control

<%@ Register tagprefix="telerik" namespace="Telerik.Web.UI" assembly="Telerik.Web.UI" %>

<telerik:RadAsyncUpload runat="server" ID="AsyncUpload1" OnClientFileUploaded="fileUploaded"></telerik:RadAsyncUpload>

gives unknown server tag error

thanks for any help

[Jessica Spaulding]

downloading new version now. that was my prob