page.load emanate asp.net 2.0

i am perplexing assist another programmer page called default.aspx code-behind section, unfortunately i am during bit loss.

 biased category _default
 inherits overheadclass
 'a garland tellurian variables here'

 private servant page_load(byval sender object, byval e system.eventarts) handles me.load
 'function goes here'

and overheadclass have

 open servant sub_overheadclass_load(byval sender object, byval e system.eventargs) handles myclass.load

the preferred outcome overheadclass inherited, wish the bucket run before bucket eventuality page runs. there substantially unequivocally rudimentary answer i am missing.

edit: i forgot note vb, c# used asp.