...I do not know all last names in the world to enter in a Comboboxe's source data to use!
I'm sorry but your post simply makes no sense! There is no way for any autocomplete hack to work, whether a combobox or a textbox, without a source! Where do you think Access is going to come up with the data to attempt to guess whether you mean
Adams or
Adar when you type in
Ad if it doesn't have a sorce for last names?
The best approach for this, as Smiley said, would be a combobox with its inherent autocomplete (actually called
Autoexpand) feature. You can then use the
NotInList event of the combobox to write a routine to add new names as you come to them.
Linq
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