Hi,
Checkbox support logical and integer (1 & 0). To prevent to get data type mismatch error, try to set your checkbox.value to .F. if your field type is logical and 0 if it is integer during at design time.
HTH
I am not the most powerful man in this world.
I am not the worst man in this world either.
I just as same as all of you.
I still need to learn from my mistakes...