当我在updatevi中更新数据时，数据没有显示在字段中

Question

当我在updateview中更新数据时，数据没有显示在字段中

def dis_update(request, pk, template_name='sales/distributor_form.html'): 
    alldistributor = get_object_or_404(Distributor, pk=pk) 
    if request.method=='POST': 
        form = DistributorForm(request.POST, instance=alldistributor) 
        if form.is_valid(): 
            form.save() 
            return redirect('index.html') 
        else: 
            form=DistributorForm() 
            return render(request, template_name, {'form':form})

Answer 1

def dis_update(request, pk, template_name='sales/distributor_form.html'): 
    alldistributor = get_object_or_404(Distributor, pk=pk) 
    if request.method=='POST': 
        form = DistributorForm(request.POST, instance=alldistributor) 
        if form.is_valid(): 
            form.save() 
            return redirect('index.html') 
        else: 
            form=DistributorForm(instance=alldistributor) 
            return render(request, template_name, {'form':form})
    else:
        form = DistributorForm(instance=alldistributor)
        return render(request, template_name, {'form': form})