                               </f:facet>
                                <h:outputLabel value="#{i+1}"  />
                            </p:column>

                            <p:column headerText="Test" 
                                      sortBy="#{c.investigation.name}" 
                                      filterBy="#{c.investigation.name}"
                                      filterMatchMode="contains">
                                <f:facet name="header">
                                    <h: