def post(self, request): form = AddCustomerForm(request.POST) if form.is_valid(): newcustomername = form.cleaned_data['New_Customer_Name'] newcustomernumber = form.cleaned_data['New_Customer_Number'] if SortedCustomerList.objects.filter( Sorted_Customer_Number=newcustomernumber).exists(): print 'Error. Previously entered Customer Number entered.' else: sortedcustomer = SortedCustomerList( Sorted_Customer_Name=newcustomername, Sorted_Customer_Number=newcustomernumber) sortedcustomer.save() form = AddCustomerForm() return render(request, self.template_name, {'form': form})