Disable or hide button based on date condition in MS Access -

i have form has listbox , subform. listbox lists names of events, start date , end date. subform bellow reveals names of participants event clicked in listbox. against each participant's name button delete participant.

how can hide or disable delete button if start date of event past?

i appreciate help.

joseph

you can't cannot bind button. buttons enabled or disabled.

you can use onclick event of button:

if me!startdate.value < date     msgbox "cannot delete participant when start date passed." end if