Thanks.
Do you need to add a TabStrip for already rendered "ActionContainerID"?
If so, it's not supported. You will need to re-render the "ActionContainerID" container.
Example
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
protected void CreateTabStrip(object sender, DirectEventArgs e)
{
TabStrip tabStrip = new TabStrip()
{
ID = "TabStrip1",
ActionContainerID = "Panel1",
Items =
{
new Tab("Summary"),
new Tab("Data")
}
};
Toolbar1.Items.Add(tabStrip);
this.Panel1.Render();
tabStrip.SetActiveTab(0);
}
</script>
<!DOCTYPE html>
<html>
<head runat="server">
<title>Ext.NET v2 Example</title>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:Button runat="server" Text="Create TabStrip" OnDirectClick="CreateTabStrip" />
<ext:Panel
ID="Panel1"
runat="server"
Height="105"
Width="350"
Layout="CardLayout"
ActiveIndex="0"
DefaultBorder="false"
DefaultPadding="5">
<TopBar>
<ext:Toolbar ID="Toolbar1" runat="server" StyleSpec="padding-bottom:0px;" />
</TopBar>
<Items>
<ext:Panel runat="server" Html="Summary" Header="false" />
<ext:Panel runat="server" Html="Data" Header="false" />
</Items>
</ext:Panel>
</form>
</body>
</html>