我一直在搜索,我似乎无法找到正确的答案。
我一直在玩django和我的测试项目,我无法弄清楚如何实现这一点,我试图根据我的观点中的外键动态显示下拉内容
以下是我的示例视图:
def job_display(request):
job_list = Job_Posting.objects.filter(Publication_Status="A", Available_Slots__gt=0).order_by('-Urgency_Status', '-Date_Modified')
context = {'job_list': job_list}
return render(request, 'frontend/home.html', context)
def save_page(request, job_id):
jreq = get_object_or_404(Job_Posting, fkey=job_id)
form = application_form(request.POST)
if request.method == 'POST':
.....
else:
.....
return render(request, 'frontend/apply.html ... )
我的网址:
urlpatterns = patterns('',
url(r'^$', views.job_display, name='job_display'),
url(r'^(?P<job_id>[0-9]+)/apply$', views.save_page, name='save_page'),
)
我的朋友:
class edbackgound(ModelForm):
COURSE = forms.ModelChoiceField(queryset=Educational_Requirement.objects.all())
我的模特:
class Course_Selection(models.Model):
Course = models.CharField(max_length=30, unique=True)
Abbreviation = models.CharField(max_length=100, unique=True)
class Job(models.Model):
Job_Position = models.CharField(max_length=30, null=True, unique=True)
class Job_Posting(models.Model):
fkey = models.OneToOneField(Job, verbose_name="Job Positions")
....
class Educational_Requirement(models.Model):
fkey = models.OneToOneField(Job_Posting, verbose_name="Job Positions")
Ed_req = models.OneToOneField(Course_Selection, verbose_name = 'Educational Requirement')
def __unicode__(self):
return self.Ed_req
我的问题是在模型中显示选项,在我的观看中,我可以通过job_list
通过save_page
获取当前选定的jreq
到jreq.fkey
&#39; Job_position
可以得到它ModelChoiceField
然后保存我的表格。如何通过我选择的job_list
填写表单queryset
。
如果我的帖子不清楚,请随时评论我的帖子缺少的内容
修改
我发现您可以通过以下视图设置form.fields['COURSE'].queryset = Educational_Requirement.objects.filter(fkey=jreq.fkey_id)
:
inlineformset_factory
我的问题是我使用for form in myinlineform:
form.fields['COURSE'].queryset = Educational_Requirement.objects.filter(fkey=jreq.fkey_id)`
动态生成字段,如果我这样做:
[u'ManagementForm data is missing or has been tampered with']
我提出错误说:DefinitionProvider
答案 0 :(得分:0)
确保您已在模板中包含内联formset的管理表单:
{{ my_formset.management_form }}
点击此处了解详情:https://docs.djangoproject.com/en/dev/topics/forms/formsets/#understanding-the-managementform