Help !!!

I know this is most likely a simple question, but I'm stuck :(

I not to populate a Combo box in an Excel spread sheet I just enter
the location in the ListFillRange (EmpData!A1:A100).

But I got creative and tryed making a Userform with VBA.
Now I'm lost :(

In VBA the combo box doesn't have a ListFillRange....

One place I read to enter the location in the ControlSource field, but
it doesn't take the information. It keeps giving me an error message.

Can anyone Help Please?

Thanks

Wally