How to implement data binding through VBA?

Question

Visual Basic

There is a list A (full name, TIN) and B (full name, age) List B is linked by
the full name field (But the format is different: full name and full name, respectively
) the corresponding field was not found in another list, the field must be empty The search for a match should not be a simple enumeration. You cannot use the built-in excel tools.