/// <summary>
/// Check whether the specific tab is a host tab.
/// </summary>
/// <param name="tabId">tab id.</param>
/// <returns>if true means the tab is a host tab, otherwise means not a host page.</returns>
public static bool IsHostTab(int tabId)
{
bool isHostTab = false;
TabCollection hostTabs = new TabController().GetTabsByPortal(Null.NullInteger);
if (hostTabs != null)
{
isHostTab = hostTabs.Any(t => t.Value.TabID == tabId);
}
return isHostTab;
}