private void Init()
        {
            int numberOfAnouncement = 0;

            if (ST.CountGeneralAnouncement() != null)
            {
                try { numberOfAnouncement = int.Parse(ST.CountGeneralAnouncement().ToList()[0].ToString()); }
                catch { }

                LargestPageNumber = DevideRoundingUp(numberOfAnouncement, 5).ToString();
            }
        }