[web2py] dependent validator for grid update

Hi. I have a grid object that I'm using to update records. I'd like to be able to limit the input value of field B based on the fixed value of field A when the update button is clicked for that record. For example: step, outcome 1, A 1, B 1, C 2, C 2, D 3, A 3, D ... So if step==1 for a

[web2py] web2py inline editable grid

I'm using web2py to build a dynamic web UI to a MySQL backend, and I'm new to the web2py framework and web development in general. What I'm looking for is a library or plug-in with the following features that is either built for or compatible with web2py. 1) Inline editing of records