Error seems to be in allotment_exam.Examname model.
The model code which you have pastes is of “Exam”
Regards,
Parth Joshi
> On 10-Nov-2019, at 11:34 AM, Mohan Goud <kathi.mohang...@gmail.com> wrote:
>
>
>
> I have to import the data into models from excel sheet from admin site and
> the code is
>
> models.py
>
> class Exam(models.Model): Examname = models.CharField(null=False,
> blank=False, max_length=255)
> class Meta: unique_together = ["Examname"]
> def str(self): return self.Examname
>
> admin.py
>
> @admin.register(Exam) class ViewAdmin(ImportExportModelAdmin): exclude =
> ('id', )
>
> While importing the data the errors are Line number: 2 - NOT NULL constraint
> failed: allotment_exam.Examname and Line number: 3 - NOT NULL constraint
> failed: allotment_exam.Examname
>
>
>
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