/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <returns></returns>
public static int GetPageLevel(PageRenderModePageCache cache)
{
int level = cache.GetValue <int>(_S_PageLevelKey, 0);
return(level);
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <returns></returns>
public static string GetPageUniqueID(PageRenderModePageCache cache)
{
string id = cache.GetValue <string>(_S_PageUniqueIDKey, string.Empty);
return(id == null ? string.Empty : (string)id);
}