Hi All,

I have a set of 9 option (radio) buttons arranged in 3 rows by 3 columns.
How can I use Excel to control the group of the option (radio) buttons so
that only one option can be selected in any row and any column? In other
word, I want only 3 buttons to be selected out of the total of 9. Please I
will appreciate it if you can help me out in full details. I don't know much
about Excel programming.