public static IPersistedStateContainer Save(this IPersistedStateContainer source, IEnumerable <Control> controls)
        {
            foreach (var control in controls)
            {
                source.Save(control);
            }

            return(source);
        }
 public static IPersistedStateContainer Save(this IPersistedStateContainer source, params Control[] controls)
 {
     return(source.Save((IEnumerable <Control>)controls));
 }