行数を取得する
DATAGRID_COUNT関数
row_count = DATAGRID_COUNT関数(dataGrid);
https://go.documentation.sas.com/doc/jp/edmcdc/v_056/edmdatagrids/p0wg7r5h8ayh0bn173vtjch62vql.htm
row_count = DATAGRID_COUNT関数(dataGrid);
https://go.documentation.sas.com/doc/jp/edmcdc/v_056/edmdatagrids/p0wg7r5h8ayh0bn173vtjch62vql.htm