Radupload is not rendered in all versions of internet explorers. The following line below
results in the following mark up.
This works in all other browsers.
EDIT.
I changed the app to use 2012.2.724.40 and RadUpload works.
<telerik:RadUpload InputSize="50" runat="server" ID="radUpload1" AllowedFileExtensions=".xls,.xlsx,.xml,.csv" ControlObjectsVisibility="None" InitialFileInputsCount="1" EnableFileInputSkinning="False"> </telerik:RadUpload><br>results in the following mark up.
<div> <div id="ctl00_ContentArea_radUpload1" class="RadUpload RadUpload_Default"><br><span class="Apple-tab-span" style="white-space:pre"> </span><input id="ctl00_ContentArea_radUpload1_ClientState" name="ctl00_ContentArea_radUpload1_ClientState" type="hidden" /><br><span class="Apple-tab-span" style="white-space:pre"> </span> <span class="Apple-tab-span" style="white-space:pre"> </span></div><br></div>This works in all other browsers.
EDIT.
I changed the app to use 2012.2.724.40 and RadUpload works.