On Sun, Sep 8, 2013 at 3:49 AM, Harjot Mann <[email protected]>wrote:
> On Wed, Sep 4, 2013 at 2:17 PM, Babatunde Akinyanmi > <[email protected]> wrote: > > This is usually a side effect of not doing a redirect from the view > > that handles your submitted form. > > > How can I do it? I mean sometimes if there I fill the form again for > same job no. It accepts the value on submitting. Why it is not giving > me an error at that time that it the data for this entry already > exists. Is it the case of not using primary key. I mean is it > necessary to use primary key in all the tables. Or if we are using the > auto_increment id as primary key, can we so it. So You need to add a unique constraint to your model definition. See https://docs.djangoproject.com/en/1.6/ref/models/fields/#unique . > How can we expire a > session if we so refreshing of page and resubmitting it?. What is the > best way to do coding in django? How can we maintain an erp based > website in django? How can we improve the database of django app. How > can we understand all the logics of django? Which type of applications > we can make in django? How can we do less code? How can we best learn > django with proper coding standards? How? > All these questions are best answered with a separate thread for each. > > -- > Harjot Kaur Mann > Blog: http://harjotmann.wordpress.com/ > Daily Dairy: http://harjotmann.wordpress.com/daily-diary/ > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/django-users. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users. For more options, visit https://groups.google.com/groups/opt_out.

