title: How can I validate a post request from an raw HTML form (No django form used)
body: <pre><code>def update(request, property_id):
      obj = get_object_or_404(PropertyModel, property_id=
      form = PropertyModelForm(request.POST or None, instance=
      if form.is_valid():
          form.save()
      template = 'form.html'
      context = {
          'form': form
      }
      return render(request, template, context)
  </code></pre>
  
  <p>have done using Django model from but want to do it using HTML form</p>