{% set report = createModel('Reports','reports').findById(report_id) %}
{% set data = report.getDataSource(false) %}

{% if field_id is not empty %}
    {% set field = report.getField(field_id) %}
    {{ field|dump }}
{% endif %}

{% set data = data.orderBy('id') %}
{% set items = paginate(data,'reports.raw') %}

{% for item in items.getItems() %}
<tr>
    <td>{{ item.date_created|dateFormat }}</td>
    <td>{{ item.id }}</td>
    <td>{{ item.field_name }}</td>
</tr>        
{% endfor %}