More About Ascii
How can I know what is the Ascii value of a specific character?
Use the Asc command.
For example, the following line:

Print Asc("b")

Will print on the form the Ascii value of the character "b".

How can I know which character's Ascii value is 98?
Use the Chr command.
For example, the following line:

Print Chr(98)

Will print on the form the character that its Ascii value is 98.