In your return line of code, you are referring to context variable but I
don't see you assigned any value to this context variable in your code.
Or if you want to send three variables i.e. "fees", "total_fees" and
"fee_remaining"... you need to send them separately like
return render(request, 'website/students.html', {"fees": fees,
"total_fees": total_fees, "fee_remaining": fee_remaining })
then use these variables on your students.html template.
On Tuesday, September 8, 2020 at 12:21:21 PM UTC-4 dex9...@gmail.com wrote:
> My Models
> class Student(models.Model):
> name = models.CharField(max_length=200, null=True, blank=True)
> classroom = models.ForeignKey(‘Classroom’,
> on_delete=models.DO_NOTHING,blank=True, null=True)
> class Classroom(models.Model):
> name = models.CharField(max_length=40,blank=True, null=True)
>
> class Fee(models.Model):
> student = models.ForeignKey(Student, on_delete=models.CASCADE, null=True,)
> classroom = models.ForeignKey(Classroom, on_delete=models.CASCADE,
> null=True)
> school_fees = models.FloatField(default=1000000)
> paid_fees = models.FloatField(null=False)
> remaining_fees = models.FloatField(blank=True)
> completed = models.BooleanField(null=False, default=False)
>
> views.py
> def student(request, pk):
> student = Student.objects.get(id=pk)
> fees = student.fee_set.all().order_by('-publish_date') total_fees =
> student.fee_set.all().filter(student__id=pk)
> .aggregate(sum=Sum('paid_fees', flat=True)['sum']
> fees_remaining = ()
> return render(request, 'website/students.html', context)
>
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