Use Asc() to get the ascii code of the character.
Add 1, and use Chr() to get the next character.
Example:
=Chr(Asc("B")+1)

Signature
Allen Browne - Microsoft MVP. Perth, Western Australia
Tips for Access users - http://allenbrowne.com/tips.html
Reply to group, rather than allenbrowne at mvps dot org.
> How do I compute the next alphabetic character through code? I have a
> variable (string) containing a single alpha letter (ie 'B') and i need to
> determine the next alphabetic value (ie "C"). How can this be done?
found the answer in another post:
some_character = Chr(Asc(some_character) + 1)
> How do I compute the next alphabetic character through code? I have a
> variable (string) containing a single alpha letter (ie 'B') and i need to
> determine the next alphabetic value (ie "C"). How can this be done?