Unable to edit and save data in database

[anonymous]

models.py
class Report(models.Model):

user = models.ForeignKey(User, null=False)
incident_number = models.CharField('Incident Number', max_length=100)
device_id = models.CharField('Device Id', max_length=100)
app_uuid = models.CharField('Unique App Id', max_length=100)
created_date_time = models.DateTimeField('Created',auto_now=True)
manual_date = models.DateField('manual date', null=True, blank=True)
manual_time = models.TimeField('manual time',null=True, blank=True)

views.py

def when(request,pk=id):

if request.method == 'POST':

reportform = ReportForm(data=request.POST)

if reportform.is_valid():

log.debug("test:%s",reportform)
report = Report.objects.get(pk=id)
reportform=ReportForm(instance=report)
report = reportform.save(commit=False)
report.user = request.user
report.save()
return redirect('/member/media/')

else:

report=Report.objects.get(pk=id)
reportform = ReportForm(instance=report)

return render_to_response('incident/when.html',{

'newreport_menu': True,
'form': reportform,

},
context_instance=RequestContext(request))

urls.py

(r'^{when/(?P<id>\w+)/$', 'when'),}

I am not able to edit and update the data in database,How to solve this.

Thnaks

[Luke Plant]

You haven't told us what the actual problem is, and this doesn't look like the place to get help: TicketClosingReasons/UseSupportChannels