As is often the case in django, they have already provided a mechanism
for what you are trying to do the hard way: Formsets.
http://docs.djangoproject.com/en/dev/topics/forms/formsets/
Cheers,
Kevin
On Apr 29, 7:18 am, MarcoS <marc.se...@gmail.com> wrote:
> Hi all,
> I post a problem, hoping someone can help me:
>
> I want to render a dynamic form which many rows how the number of
> entries from a database table
> (something similar at the list in the "change_list.html" template in
> admin)
>
> This is the model:
>
> class Book(models.Model):
> title = models.CharField(max_length=100)
> quantity = models.IntegerField()
> price = models.DecimalField(max_digits=5, decimal_places=2)
>
> So, I've create this forms.py:
>
> class choose_book_form(forms.Form):
> def __init__(self, *args, **kwargs):
> CHOICES = (("1", "1"), ("2", "2"), ("3", "3"))
> super(choose_book_form, self).__init__(*args, **kwargs)
> books = Book.objects.all()
> for item in books:
> checkbox = 'checkbox_%s' % item.pk
> self.fields[checkbox] = forms.BooleanField()
> quantity = 'quantity_%s' % item.pk
> self.fields[faild] = forms.CharField(max_length=3,
> widget=forms.Select(choices=CHOICES))
>
> The template will have to show rows with this data
> "checkbox" - "book title" - "select-option" - "book price"
> this is my template
>
> <form action="" method="post">
> <table>
> <tr><th>Select</th><th>Title</th><th>Quantity</th><th>Price</th>
> </tr>
> {% for item in books %}
> <tr class="{% cycle 'class1' 'class2' %}">
> <td> {{ form.checkbox_??? }} </td>
> <td> {{ item.title }} </td>
> <td> {{ form.quantity_??? }} </td>
> <td> {{ item.price }} </td>
> </tr>
> {% endfor %}
> </table>
> <input type="submit" value="Prosegui" />
> </form>
>
> The problem is that I can't figure how access the correct pk value
> for {{ form.checkbox_ }} and {{ form.quantity_ }}
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