This package provides the demo views for collective.z3cform.datagridfield. See that package for more information.
Add collective.z3cform.datagridfield_demo to your buildout eggs.:
eggs=\ ... collective.z3cform.datagridfield collective.z3cform.datagridfield_demo
Examples of configurations are in the demo folder.
collective.z3cform.datagridfield in Site setup > Add ons.
Once you install this package (no add-on installer installation required), the demo views will be visible on your site.
This page has links of several examples of different DGF use cases.
Run Plone on foreground mode to see debug prints what kind of data the demo forms submit.