public static DataTable getReadingTableFromSchema()
        {
            string TARIH = DateTime.Now.Month.ToString() + "-" + DateTime.Now.Day.ToString() + "-" + DateTime.Now.Year.ToString();
            using (SqlConnection conn = new SqlConnection(CS))
            {
                string sql = string.Format("EXEC[LG_118_ONAY] '','{0}'",  TARIH);
                conn.Open();
                SqlCommand cmd = new SqlCommand(sql, conn);
                DbDataAdapter da = new SqlDataAdapter(cmd);
                DataTable dtbl = new DataTable();
                da.FillSchema(dtbl, SchemaType.Source);
                return dtbl;
            }
        }

        private void INITIALIZEGV()
        {
            DataTable DTNEW = getReadingTableFromSchema();
            DataTable DT = _M.SELECT_LISTE();
            string TARIH = DateTime.Now.Month.ToString() + "-" + DateTime.Now.Day.ToString() + "-" + DateTime.Now.Year.ToString();

            foreach (DataRow item in DT.Rows)
            {
                string STUDENTCODE = item[0].ToString(); 
                DataRow s = _M.SELECT_ONAY(CODE, TARIH).Rows[0];
                DTNEW.ImportRow(s);
            }

            gc_CONTROL1.DataSource = DTNEW;
        }