"After Update" Code Builder

[Ms Kathy]

Hi Folks - could someone please direct me to where I can get some understanding . . . On a form field I want to use the property event "after update" code builder.

(Essentially I want to make a field "null" when I make an entry in another field.)

 

[pr2-eugin]

Simply Googling the keywords gave me this : http://www.599cd.com/tips/access/afterupdate-event-vba/