Not Change the Form Mode Automatically in CFL

Dear Friend,

In My form Placed on Matrix , In this Matrix ,Only one column Editable and CFL also, Remaining all column non-editable.

In this case when i choose the value from CFL, Form Mode Update is not change automatically. It sitll in OK Mode only.

I have set AffectsFormMode ="1" but it is not work only in Update Mode.

Regards,

K Sakthivel