>1.In the click event of the option group

>DO CASE 
>   CASE this.Value=1
>      * some code
>   CASE this.Value=2
>      * some code
>   CASE this.Value=3
>      * some code
>   CASE this.Value=4
>      * some code
>   CASE this.Value=5
>      * some code
>ENDCASE

Hmm, while certainly functioning,
this is exactly the pattern usually argued to be better split up onto each single control.