When running under Firefox and the RadAsyncUpload control is disabled from the code-behind, the Select ("Browse") button is invisible until enabled.
<telerik:RadAsyncUpload ID="ruBinaryFile" ClientIDMode="Static" runat="server" ControlObjectsVisibility="None"
Width="90px" OnClientFileUploaded="radAsyncfileUploaded" OnFileUploaded="BinaryFileUpload">
<Localization Select="Browse" />
</telerik:RadAsyncUpload>
ruBinaryFile.Enabled = false;
Firefox version 24.
Telerik version Q2 2012
<telerik:RadAsyncUpload ID="ruBinaryFile" ClientIDMode="Static" runat="server" ControlObjectsVisibility="None"
Width="90px" OnClientFileUploaded="radAsyncfileUploaded" OnFileUploaded="BinaryFileUpload">
<Localization Select="Browse" />
</telerik:RadAsyncUpload>
ruBinaryFile.Enabled = false;
Firefox version 24.
Telerik version Q2 2012