[edit: better images]
Hi Randy,
Sory, but I did not want to tell me what effect. I made some diagrams / drawings to try to explain myself better.
Imagine any number of categories that are arranged hierarchically as the schema (assuming that the catid is the category id):
Now, imagine a small part of the database:
What I need is to be printed on the form something like:
Applying example, arise, for example, these results:
Is it possible to do this?
Is that what you told me to do, as I understand, is to add the product itself, I only intend to put link them to projects (a type of article called project).
Once again,
Sorry for my english, it is very "à lá Google Translate" x)
Anything you do not understand let me know, I will try to explain myself better,
With best greetings
BN