I got it, finally, It was purely mystical for me, but now it makes sense... Grid is quite a sophisticated beast and does some magic behind the stage...
Thank you very much! On Thu, Dec 27, 2018 at 11:08 PM Anthony <[email protected]> wrote: > This simply displays an old fashioned grid. Nothing fancy. But now >> consider just exactly same code, with 2 extra lines (if (id==0): >> redirect(home) : >> >> def test(): >> id = 0 >> try: >> id = request.args(0, cast=int) >> except: >> id = 0 >> pass >> if (id==0): >> redirect('home') >> grid = SQLFORM.grid(db.test_table, user_signature=False) >> return locals() >> >> Now, this looks exactly like the previous one - but this grid is NOT >> functional. Neither create nor delete work! The buttons are there, but the >> create and delete functions do NOT perform. >> >> Please note that I always specify the parameters - app/default/test/1 >> or app/default/test/100 - it's never called without a parameter. So >> logically, unless I am missing something, if (id==0) should never be the >> case - right? >> > > As mentioned earlier, if you want to use some URL args in your code that > should not apply to the grid, you must make this explicit by passing args > that must be preserved by the grid via its "args" argument. See > http://web2py.com/books/default/chapter/29/07/forms-and-validators#Using-requests-args-safely. > This tells the grid to preserve the URL args you are using in any URLs it > creates, and to ignore those args internally. > > Anthony > > -- > Resources: > - http://web2py.com > - http://web2py.com/book (Documentation) > - http://github.com/web2py/web2py (Source code) > - https://code.google.com/p/web2py/issues/list (Report Issues) > --- > You received this message because you are subscribed to the Google Groups > "web2py-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
