I've got a tab container with a series of tab panels. I am running version 18.1.1 of the ajax control toolkit. If I update to 19.1.0, the tab panels do not display as tabs, but display as links. I have a custom css library. I think that my custom css is not being applied. Here is the code in my tabcontainer. Any ideas?
<actk:TabContainer ID="tcMain" runat="server"
OnActiveTabChanged="tcMain_ActiveTabChanged"
AutoPostBack="true" CssClass="MyTabStyle" >
<actk:TabPanel HeaderText="Stage" CssClass="ajax__tab_inner" runat="server" ID="tpStage" AccessKey="2">
<HeaderTemplate>
Stage
</HeaderTemplate>
<ContentTemplate>
......
</ContentTemplate>
</actk:TabPanel>
......
</actk:TabContainer>