How to call refcursor in oracle forms

Question

How to fetch a column in oracle form by using DB prcedure's refcursor.
There was not isseu to create and call the procedure in oracle forms but when I was trying to fetch
a particular column and assing the value to text box, I got an error invalid reference.

Answer 1

DECLARE
   TYPE emp_ref_cur IS REF CURSOR;
   v_emp_curs_qry   emp_ref_cur;
   v_sql            VARCHAR2 (32767);
   v_column1        VARCHAR2 (32767) := 'EMPNO';
   v_column2        VARCHAR2 (32767) := 'ENAME';
   TYPE emp_rec IS RECORD (
      empno   emp.empno%TYPE,
      ename   emp.ename%TYPE
   TYPE emp_rec_ty IS TABLE OF emp_rec;
   v_emps           emp_rec_ty;
BEGIN
   v_sql := 'select ' || v_column1 || ',' || v_column2 || '  from emp ';
   OPEN v_emp_curs_qry FOR v_sql;
   FETCH v_emp_curs_qry
   BULK COLLECT INTO v_emps;
   CLOSE v_emp_curs_qry;
   FOR i IN v_emps.FIRST .. v_emps.LAST
   LOOP
      DBMS_OUTPUT.put_line ('Empno =' || v_emps (i).empno);
      DBMS_OUTPUT.put_line ('Ename =' || v_emps (i).ename);
   END LOOP;
END;
/i hope this is what you want ..