Any argument to .grid that is normally a dictionary must actually be a 
dictionary of dictionaries with .smartgrid -- you need a separate key for 
each table:

headers = {'sede': {'sede.nome': 'Struttura', 'sede.is_active': 'Attivo'}}

Anthony

On Wednesday, January 4, 2017 at 11:15:29 AM UTC-5, Andrea Fae' wrote:
>
> I have this situation:
>
>     headers={'sede.nome':'Struttura','sede.is_active':'Attivo'}
>     exportcls = dict(csv_with_hidden_cols=False, xml=True, html=False, 
> json=False, tsv_with_hidden_cols=False, tsv=False)
>     grid = 
> SQLFORM.smartgrid(db.sede,linked_tables=['uo','pc'],fields=[db.sede.nome, 
> db.sede.is_active, db.uo.nome,db.pc.seriale,db.pc.nome],headers=headers, 
> details=True, editable=True, deletable=False, 
> maxtextlength=40,exportclasses=dict(sede = exportcls,uo = exportcls, pc = 
> exportcls),onupdate=auth.archive)
>
> ...headers not working...
> Why?
>

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