jsonテキストとして内容を取得する
DATAGRID_TOSTRING関数
str = DATAGRID_TOSTRING(dataGrid);
https://go.documentation.sas.com/doc/jp/edmcdc/v_056/edmdatagrids/n1d2o8h7l2hbxfn17wrmnkg2zulw.htm
str = DATAGRID_TOSTRING(dataGrid);
https://go.documentation.sas.com/doc/jp/edmcdc/v_056/edmdatagrids/n1d2o8h7l2hbxfn17wrmnkg2zulw.htm