To Hide or disable a tabpanel in TabContainer in server side

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Ajax

Friends ... Good Day

I tried to disable or hide a tab based on condition of TabContainer of Ajax control in server side. But cant get solution. PLs share with if you know ans for this problem.

I expecting the solution in Server side.

<pre lang="HTML"><ajaxToolkit:TabContainer ID="TabContainer1"  runat="server" Height="150px" Width="400px">
    <ajaxToolkit:TabPanel ID="TabPanel1"  runat="server" HeaderText="Signature and Bio">
        <ContentTemplate>
            Test
        </ContentTemplate>
    </ajaxToolkit:TabPanel>
    <ajaxToolkit:TabPanel ID="TabPanel2"  runat="server" HeaderText="Signature and Bio 2">
        <ContentTemplate>
            Test
        </ContentTemplate>
    </ajaxToolkit:TabPanel>
</ajaxToolkit:TabContainer>

protected void Page_Load(object sender, EventArgs e)
{
    TabPanel2.Visible = false;
//OR
TabPanel2.Tabs[0].visible=false;
//OR
TabPanel2.Tabs[0].Enabled=false;
}

This is not working perfectly.

Any other Idea?