How to Create Train, NavigationBar and PageButtonBar in OAF

How to Create Train, NavigationBar and PageButtonBar in OAF

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Train region:-
create AM
create VO1 : -EMP_VO
create VO2:- DEPT_VO

Attache VO's in AM

create page EMP
set controller
header region => table typ eregion based on EMP_VO ==>
create one more region - Train type (allow information  = TRUE)
create Link:- (set destinatuon URL :- EMP_PAGE)
create Link:- (set destinatuon URL :- DEPT_PAGE)
create one more region  :- Page button BAR
create one more region  :- Navigation_BAR ( set first step = 1 and last_step = 2)
create Link:- (set destinatuon URL :- EMP_PAGE , worm_about_changes = 'False')
create Link:- (set destinatuon URL :- DEPT_PAGE)

create page DEPT
set controller
header region => table typ eregion based on DEPT_VO ==>
create one more region - Train type (allow information  = TRUE)
create Link:- (set destinatuon URL :- EMP_PAGE)
create Link:- (set destinatuon URL :- DEPT_PAGE)
create one more region  :- Page button BAR
create one more region  :- Navigation_BAR ( set first step = 1 and last_step = 2)
create Link:- (set destinatuon URL :- EMP_PAGE , worm_about_changes = 'False')
create Link:- (set destinatuon URL :- DEPT_PAGE)

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VO1:-

select EMPNO, ENAME, JOB, HIREDATE, DEPTNO from scott.emp

VO2:-

select * from scott.dept

VO3:-

select EMPNO, ENAME, (select Z.ENAME from scott.emp Z where A.MGR = Z.EMPNO) MGR_NAME, SAL from scott.emp  A

CO1:-

  public void processRequest(OAPageContext pageContext, OAWebBean webBean)
  {
    super.processRequest(pageContext, webBean);
      OAApplicationModule am = pageContext.getApplicationModule(webBean);
      OAViewObject vo = (OAViewObject) am.findViewObject("FIRST_VO1");
      vo.executeQuery();
  }

CO2:-

  public void processRequest(OAPageContext pageContext, OAWebBean webBean)
  {
    super.processRequest(pageContext, webBean);
      OAApplicationModule am = pageContext.getApplicationModule(webBean);
      OAViewObject vo = (OAViewObject) am.findViewObject("SECOND_VO1");
      vo.executeQuery();
  }

CO3:-

  public void processRequest(OAPageContext pageContext, OAWebBean webBean)
  {
    super.processRequest(pageContext, webBean);
 
      OAApplicationModule am = pageContext.getApplicationModule(webBean);
      OAViewObject vo = (OAViewObject) am.findViewObject("THIRD_VO1");
      vo.executeQuery();
  }