       <p:commandButton 
                                class="ui-button- mx-1" 
                                icon="fas fa-print" 
                                ajax="false" 
                                value="Print All">
                                <p:printer target="tbl" />
                            </p:commandButton>

                            <p:commandButton 
                                class="ui-button-success mx-1" 
                                icon="fas fa-file-excel" 
     