Get values from 2 database statements with radio buttons

I am trying to connect two database statements via two radio buttons. As soon as I change the radio button value, these have to be retrieved again directly via the database.

I am currently trying to do this via HTML, JavaScript and Python. However, only one of the two statements is currently displayed.

js:

$("#id_base-0-show_null").change(function () {
        var show_null_value = document.querySelector('input[name=base-0-show_null]:checked').value;
        var checked_0 = document.getElementById('id_base-0-show_null_0').checked;
        var checked_1 = document.getElementById('id_base-0-show_null_1').checked;

        console.log(show_null_value, checked_0, checked_1);
       **currently doesn't do anything**

    });

exporter.py:

def get_last_values_of_target(self, target_type, target_name):
...

def get_zero_values_of_target(self, target_type, target_name):
...

manual_input.py:

def get_last_values_of_target(request):
    if is_ajax(request):
        target_type = int(request.POST['target_type'])
        target_name = request.POST['target_name']
        exporter = Exporter()
        exporter.station = target_type
        values = exporter.get_last_values_of_target(target_type, target_name) **here is the current single exporter where i'm trying to add a second one (get_zero_values_of_target)**
        return HttpResponse(simplejson.dumps({'values': values}), 'application/javascript')
    else:
        return HttpResponseBadRequest("Not allowed")

template:

{% block content %}
    <form action="" method="post" id="manual_input_form" name="manual_input_form">
        {% csrf_token %}
        <div class="timeDiffer">
            {% for base_form in base_formset %}
                ***
                <div class="{% if base_form.non_field_errors %}error {% else %}showDiff{% endif %}">
                    <div>{{ base_form.show_differences.label_tag }}{{ base_form.show_differences }}</div>
                </div>
                {% if base_form.show_differences %}
                    <div class="{% if base_form.non_field_errors %}error {% else %}showNull{% endif %}">
                        <div class="flex">{% trans base_form.show_null.label_tag %}{{ base_form.show_null }}</div>
                    </div>
                {% endif %}
            {% endfor %}
            <input type='hidden' id='source' name='source' value='Manual'>
        </div>
        {% for epoch_form in epochs_formset %}
            <table id="epoch_forms_table"
                   class="{% if counter >= 9 %}epoch_forms_table_long
                {% elif counter > 5 and counter < 9 %}epoch_forms_table_medium
                {% else %}epoch_forms_table{% endif %}">
            {% if forloop.first %}
                <tr class="title_row">
                    <th>{% autoescape off %}{% trans "Target name" %}{% endautoescape %}</th>
                    {% for k,v,i,z,b in sorted_title_list %}
                        {% if k == selected_item %}
                            <th>{{ z|capfirst }}</th>
                            {% if b|length == 1 %}
                                {% for key, value in b.items %}
                                    <th style="width: 50px;">
                                        <label for="unit_selector">
                                            <select class="master_select" id="unit_selector" name="unit_selector"
                                                    {% if b|length == 1 %}disabled{% endif %}>
                                                <option value="{{ value }}" id="{{ key }}">{{ value }}</option>
                                            </select>
                                        </label>
                                    </th>
                                {% endfor %}
                            {% else %}
                                <th style="width: 40px"><label for="unit_selector">
                                    <select class="master_select" id="unit_selector" name="unit_selector">
                                        {% for key, value in b.items %}
                                            <option value="{{ value }}" id="{{ key }}">{{ value }}</option>
                                        {% endfor %}
                                    </select>
                                </label></th>
                            {% endif %}
                        {% endif %}
                    {% endfor %}
                    <th class="last"></th>
                </tr>
            {% endif %}
            <tr class="value_row{% if epoch_form.errors %} error{% endif %}">
                <td><input id="id_epochs-0-target_name" name="epochs-0-target_name" class="group_left" type="text"
                           maxlength="100" size="16"></td>
                {% for k,v,i,z,b in sorted_title_list %}
                    {% if k == selected_item %}
                        <td><label><input id="id_epochs-0-{{ i }}" type="number" size="13" step="0.001"
                                          name="epochs-0-{{ i }}"></label></td>
                        {% if b|length == 1 %}
                            {% for key, value in b.items %}
                                <td class="{{ key }}_unit unit" id="{{ key }}"><label>{{ value }}</label></td>
                            {% endfor %}
                        {% else %}
                            {% for key, value in b.items %}
                                {% if forloop.first %}
                                    <td class="{{ key }}_unit unit" id="{{ key }}"><label>{{ value }}</label></td>
                                {% endif %}
                            {% endfor %}
                        {% endif %}
                    {% endif %}
                {% endfor %}
                <td><a href="#" class="button icon remove remove_row_button danger"></a></td>
            </tr>
            <tr id="last_value_row" class="last_value_row target_background_color">
                <td></td>
                {% for k,v,i,z,b in sorted_title_list %}
                    {% if k == selected_item %}
                        <td></td>
                        {% if b|length == 1 %}
                            {% for key, value in b.items %}
                                <td class="{{ key }}_unit unit" id="{{ key }}"><label>{{ value }}</label></td>
                            {% endfor %}
                        {% else %}
                            {% for key, value in b.items %}
                                {% if forloop.first %}
                                    <td class="{{ key }}_unit unit" id="{{ key }}"><label>{{ value }}</label></td>
                                {% endif %}
                            {% endfor %}
                        {% endif %}
                    {% endif %}
                {% endfor %}
                <td></td>
            </tr>
            <tr class="error_row">
                {% for field in epoch_form %}
                    <td>{{ field.errors }}</td>
                {% endfor %}
                <td></td>
            </tr>
        {% endfor %}
        </table>
...
    </form>
{% endblock %}

current Radio Buttons(Nullwert & Letzter Wert) with table