Re: and keyword arguments '{u'student_id': None, u'school_id': 1}' not found.

No this not add form and I verify it. I also use pk but it does not work either.

On Saturday, September 21, 2013 7:38:52 AM UTC-5, Daniel Roseman wrote:

On Saturday, 21 September 2013 04:44:33 UTC+1, Trung Nguyen wrote:

Django Version:	1.5.2
Exception Type:	NoReverseMatch
Exception Value:	Reverse for 'gradingstudent' with arguments '()' and keyword arguments '{u'student_id': None, u'school_id': 1}' not found.
Exception Location:	/usr/local/lib/python2.7/dist-packages/django/template/defaulttags.py in render, line 424
Python Executable:	/usr/bin/python
Python Version:	2.7.4  I am new to Django. I got this error and struggle to find a solution for it but no luck. Please help! View.py   def grading_student(request, school_id=1, student_id=1): urls.py   url(r'^(?P<school_id>\d+)/gradings/gradingstudent/(?P<student_id>\d+)/$', views.grading_student, name='gradingstudent'), from template : if I use : a href="{% url 'contest:gradingstudent'  school_id=1 student_id=1 %}">  Enter Student Score </a It work. But when I try to replace 1 by form.instance.id i got error about.  a href="{% url 'contest:gradingstudent'  school_id=1 student_id=form.instance.id %}">  Enter Student Score </a if I change to this url  a href="{% url 'contest:gradingstudent'  school_id=1 student_id %}"> {{form.instance.id}}  Enter Student Score </a I got other error  Don't mix *args and **kwargs in call to reverse()! What is the properway to do? Thanks,

The error is telling you that form.instance.id is None. Presumably this is because you are on an add form, and the instance hasn't been created yet - in which case you can't link to its contest page.

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DR. 

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