private void Add(int from, int to)
        {
            DBlink myLink = new DBlink();

            try
            {
                myLink.AddAttack(TableName, from, to, DBType);;
            }
            catch
            {
            }
        }
        private void Add(int from, int to)
        {
            DBlink myLink = new DBlink();
            try
            {
                myLink.AddAttack(TableName, from, to, DBType);;
            }
            catch
            {
            }

        }