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为什么我不能在我的未绑定模型表单中设置instance = None
?设置modelForm实例的初始值
def sample(request):
prf_form = ProfileForm(instance=None)
print prf_form.instance #debugger print
return render_to_response(template, locals(), context_instance=RequestContext(request))
我得到以下异常:DoesNotExist