Thank you!
That's the problem.

On Monday, April 8, 2013 1:06:29 PM UTC+7, Anthony wrote:
>
> Is it possible that your browser isn't accepting cookies, or that you are 
> somehow clearing the session? Without cookies, the session won't work, and 
> by default, SQLFORM uses the session to store the _formkey token to protect 
> against CSRF attacks. To see if that's the problem, you can try:
>
> if form.process(session=None).accepted:
>
> With session=None, it won't use the session (and therefore won't protect 
> against CSRF). If it works in that case, then there's a problem with the 
> session cookie and/or session.
>
> Anthony
>
> On Sunday, April 7, 2013 11:41:02 PM UTC-4, Nguyen Minh Tuan wrote:
>>
>> Thanks Anthony,
>> When I submit with blank data, no error msg displayed.
>> I expected error msg displayed because I set this field mandatory as below
>>
>> db.define_table('person', Field('personname', 'string', requires = 
>> IS_NOT_EMPTY()))
>>
>> I found that :   if form.process().accepted:   always return false, so 
>> redirect command never reached.
>> The 
>>
>> elseif :
>>      response.flash = "input info"
>>
>> always run, so page and flash "input info" are displayed again 
>>
>> Regards,
>> Tuan.
>>
>> On Friday, April 5, 2013 8:22:50 PM UTC+7, Anthony wrote:
>>>
>>>         redirect('default', 'list')
>>>
>>>
>>> Should be:
>>>
>>> redirect(URL('default', 'list'))
>>>
>>> When I submit form with empty value (person name), validation does not 
>>>> work.
>>>>
>>>
>>> What do you mean it doesn't work? Do you not see the error message on 
>>> the form? What do you expect, and what happens instead? It works when I try 
>>> the code? 
>>>
>>> Anthony
>>>
>>

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