Thanks for ur reply, how do I implement it? I tried it but it did not work.
On Friday, 25 October 2019 03:05:50 UTC+1, Suraj Thapa FC wrote:
-- On Friday, 25 October 2019 03:05:50 UTC+1, Suraj Thapa FC wrote:
Try select_related()On Fri, 25 Oct, 2019, 1:15 AM Gil Obradors, <gil.o...@gmail.com> wrote:What field of Category you want to get from post model ? name?maybe k.category instead of k.name? ( template)Or explain better :P--Missatge de Benedict Uwazie <nonw...@gmail.com> del dia dj., 24 d'oct. 2019 a les 21:19:Thanks, but this did not help--
On Thursday, 24 October 2019 19:43:51 UTC+1, Gil Obradors wrote:Hi,I don't know if I understand what you mean...Is this good for you?
from first_app.models import Author, Category, Postdef post_from_cat(request, cat_id):b = Category.objects.get(pk=cat_id) return render(request, 'first_app/index.html', {'key': b})Missatge de Benedict Uwazie <nonw...@gmail.com> del dia dj., 24 d'oct. 2019 a les 18:41:Please I am new to using google groups. This post have been posted earlier but the--code was not clear enoughI have an issue that I have been battling for a long time Iwant to get data out from different related models. I have threemodels. Category, Author, Post. The Category model categories my postthat are on the Post model. The issue I am having is this, when I perform my loopon my template (i.e html file) I can get data out from my Post model but I can notget data out from my Category model. Please I need someone to help me out or tell mewhat I am doing wrong.below is my sample code for you to know what I am talking about.on views.py
class Category(models.Model):name = models.CharField(max_length=100) tagline = models.TextField()def __str__(self):return self.nameclass Author(models.Model):name = models.CharField(max_length=200) email = models.EmailField()def __str__(self):return self.nameclass Post(models.Model):category = models.ForeignKey(Category, on_delete=models.CASCADE, null=True, related_name='my_category')headline = models.CharField(max_length=255) body_text = models.TextField()authors = models.ManyToManyField(Author)def __str__(self):return self.headline
from first_app.models import Author, Category, Postdef post_from_cat(request, cat_id):b = Category.objects.get(pk=cat_id) result = b.my_category.all()return render(request, 'first_app/index.html', {'key':result})
on urls.py
from first_app import viewsurlpatterns = [path('', views.home_app, name='home_app'),path('post-cat/<int:cat_id>/', views.post_from_cat, name='post_from_cat'),]
on my template that (my html file)
{% if key %}{% for k in key %}<p><strong>Category: </strong> {{ k.name }}</p><p><strong>Title</strong><br>{{ k.headline }}</p> <p><strong>Body</strong><br>{{ k.body_text }}</p><hr>{% endfor %}{% else %}<p>No data</p>
{% endif %}
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