Wait a minute, Just to clarify, You use WFB to create a form that outputs to MySQL or do you manually create the forms to do this. Either works. But repopulating a form can not be done back into a WFB form.
I have looked at ways to do this but too many changes have to be made, At this stage it is a one way device.
One of my methods is to create the form in WFB (Nice) output to a script then if necessary create a page with a screen grab of the form. I insert the form using a position absolute tag and insert form elements into position the same way, precisely populated. ie The copy looks as good as the original I use a copy of the submit button. I would add a comment about why the user was sent to the created form.
and then post to the next action. Much easier than total manual creation.
Hmm! neccesity is the mother of invention
The Guy from OZ