Codeunit/Formevents

Methods and events

Form events fires different actions during execution of a solution

LIST level event hooks are

   public String appendListPageHead() { return ""; }
   public String appendListPageFoot() { return ""; }

   public void beforeSelectList() throws Exception {}    
   public void beforeRenderList() throws Exception {}       

ITEM level event hooks are

   public String appendItemPageHead() { return ""; }    
   public String appendItemPageFoot() { return ""; }    

   public void beforeSelectItem() throws Exception {}    
   public void beforeChangeItem() throws Exception {}
   public void beforeUpdateItem() throws Exception {}
   public void beforeRenderItem() throws Exception {}    
   public void afterUpdateItem() throws Exception {   return false; }
   
   public boolean afterUpdateRedirectActive() {   return false; }
   public String afterUpdateRedirectContent()   {   return null;    }

LIST execution order

1. beforeSelectList
2. Gather form data from database
3. beforeRenderList
4. Return form to user

ITEM execution order: viewing data

1. beforeSelectItem
2. Gather form data from database
3. beforeRenderItem
4. Return form to user

ITEM execution order: posting data

1. beforeSelectItem
2. Gather form data from database
3. beforeChangeItem
4. Update field values
5. beforeUpdateItem
6. Write changes to database
7. afterUpdateItem
8. Display result
9. IF NO OTHER ACTION:
   • afterUpdateRedirectActive /

Event firing

Event firing global

The following events are ALLWAYS fired

• beforeSelectList
• beforeSelectItem
• beforeChangeItem
• beforeUpdateItem
• afterUpdateItem

Event firing in UI (reserved for normal users)

The following events will NOT be fired during imports etc.

• appendListPageHead
• appendListPageFoot
• beforeRenderList
• appendItemPageHead
• appendItemPageFoot
• beforeRenderItem

Event firing in UI depending on user actions

The following events are SOMETIMES be fired for normal users depending on navigation

• afterUpdateRedirectActive
  • Not executed in SUBFORM mode
  • Not executed in during imports etc.
• afterUpdateRedirectContent
  • Depends on a TRUE result from afterUpdateRedirectActive()