class="ui-button-success"
                        icon="fa fa-check-square"
                        action="#{channelReportController.markAsAbsent()}" 
                        value="Mark Selected as Absent"  >
                    </p:commandButton>
                </div>

                <p:dataTable
                    id="nurseView" 
                    value="#{channelReportController.nurseViewSessions}"
                    selection="#{channelReportController.selectedBillSessions}" 
                   