Get TOP N from DataTable

        private DataTable GetTopN(DataTable dt, int RowCount, int Start)
        {
            DataTable table = dt.Clone();
            for(var i = Start; i <= Start + RowCount; i++)
            {
                if( i >= dt.Rows.Count ) break;
                table.ImportRow(dt.Rows[i]);
            }
 
            return table;
        }