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POModelForms with ManyToMany relationship Models in Django
 

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    <p>I have a question on ModelForms in Django. If I'm creating a form from a model using ModelForms, then how the form fields will be linked to these M2M relationships ? what I mean is if I have :</p> <h1>Models.py</h1> <pre><code>class Recipe(models.Model): title = models.CharField(max_length=100) category = models.ForeignKey(Category) cuisineType = models.ForeignKey(CuisineType) description = models.TextField() serving = models.CharField(max_length=100) cooking_time = models.TimeField() ingredients = models.ManyToManyField(RecipeIngredient) directions = models.TextField() image = models.OneToOneField(Image) added_at = models.DateTimeField(auto_now_add=True) last_update = models.DateTimeField(auto_now=True) added_by = models.ForeignKey(UserProfile, null=False) tags = models.ManyToManyField(Tag,blank=True) class Category(models.Model): category = models.CharField(max_length=100) category_english = models.CharField(max_length=100) #slug = models.SlugField(prepopulate_from=('name_english',)) slug = models.SlugField() parent = models.ForeignKey('self', blank=True, null=True, related_name='child') description = models.TextField(blank=True,help_text="Optional") class Meta: verbose_name_plural = 'Categories' #sort = ['category'] </code></pre> <h1>Forms.py</h1> <pre><code>class RecipeForm(ModelForm): class Meta: model = Recipe exclude = ('added_at','last_update','added_by') </code></pre> <h1>Views.py</h1> <pre><code>def RecipeEditor(request, id=None): form = RecipeForm(request.POST or None, instance=id and Recipe.objects.get(id=id)) # Save new/edited Recipe if request.method == 'POST' and form.is_valid(): form.save() return HttpResponseRedirect('/recipes/') #TODO: write a url + add it to urls .. this is temp return render_to_response('adding_recipe_form.html',{'form':form}) </code></pre> <p>then should I create 1 modelform for the 2 models related to each other as I did ? or a modelform for each model ? If I do one, how I'm going to exclude fields from the other model ? I'm a bit confused.</p>
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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