I see no way of blocking it in the source code.
You could hide it using JS, something like:

$('.row_buttons > a:nth-child(3)').addClass('hidden')




On Friday, December 25, 2015 at 11:37:54 PM UTC-5, Jose Eleudson Gurgel 
Queiroz wrote:
>
>
> *With this tables:*
> db.define_table('tbProduct', \
>                     Field('category_id','reference tbCategory', 
> label='Category', ondelete='RESTRICT'), \
>                     Field('group_id', 'reference tbGroup', label='Group', 
> ondelete='RESTRICT'), \
>                     Field('name', 'string', notnull=True, unique=True), \
> ...
>                )
> db.define_table('tbComposition', \
>                     
> *Field('product_id','reference tbProduct', label='Product', 
> writable=False), \                    Field('component_id','reference 
> tbProduct', label='Component', ondelete='RESTRICT'), \*
>                     Field('unit_id','reference tbUnit', label='Unit', 
> ondelete='RESTRICT'), \
>                     Field('quantity','double', notnull=True, 
> default=0.00), \
>                     singular='Composition', plural='Compositions' \
>                )
>
> *In the stock.py controller I have:*
>
> def products():
>     form=SQLFORM.smartgrid(db.tbProduct, csv=False, maxtextlength=50, 
> showbuttontext=False, \
>                            linked_tables=[*'tbComposition'*,'tbCostPrice'], 
> links_in_grid=False)
>     return locals()
>
> *Thus, I have on the product screen view the following links:*
>
> Compositions(product_id)  
> <http://127.0.0.1:8000/candyfac/stock/products/tbProduct/tbComposition.product_id/1?_signature=044fdd63ddbc82d82439f16e8706791d0716816c>Compositions(component_id)
>     
>
> <http://127.0.0.1:8000/candyfac/stock/products/tbProduct/tbComposition.component_id/1?_signature=b398f8f8cc7736c5880c4c0668434c753a596c19>Cost
>  
> Prices 
> <http://127.0.0.1:8000/candyfac/stock/products/tbProduct/tbCostPrice.product_id/1?_signature=05b73f34cdf0b57c9b2a896b38d7c5276c233ac7>
>
> *But I did not want* 
>
>
> *Compositions link (component ID)What do I do?*
>

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