jQuery Grid Plugin - jqGrid

Hi !

I'm using the Search Toolbar on build 4, but the search is not
performed when i pressed the Enter key ! Somebody can help me please ??

----

    var mygrid = $('#list').jqGrid({
    url:'../library/Request/recordsconge.php?id=<?php echo $this->escape($this->iduser);?>',
    datatype: 'xml',
    colNames:['Annee', 'Conge','Debut','Fin','Jour','Saisie le','Statut','PDF'],
    colModel :[ {name:'annee_conge', index:'annee_conge', width:60, align: 'center'},
                {name:'libelle_type_conge', index:'libelle_type_conge', width:220, align: 'left'},
                {name:'date_debut', index:'date_debut', width:140, align: 'center'},
                {name:'date_fin', index:'date_fin',  width:140, align: 'center'},
                {name:'nbre_jour', index:'nbre_jour', width:60, align: 'center'},
                {name:'date_avis_conge', index:'date_avis_conge', width:140, align:'center'},
                {name:'etat_conge', index:'etat_conge', width:100, align:'center'},
                {name:'PDF', index:'PDF', width:60, align:'center'}],
    pager: $('#pager'),
    rowNum:10,
    height:300,
    sortname: 'id_avis_conge',
    sortorder: "desc",
    viewrecords: true,
    caption: ''
    }).navGrid('#pager',
    {edit:false,add:false,del:false,search:false}, //options
    {reloadAfterSubmit:false,jqModal:false, closeOnEscape:true}, // del options
    {closeOnEscape:true}, // search options
    {height:250,jqModal:false,closeOnEscape:true} // view options
    )
    .navButtonAdd("#pager",
    {caption:"Toggle",
    title:"Toggle Search Toolbar",
    buttonicon :'ui-icon-pin-s',
    onClickButton:function(){ mygrid[0].toggleToolbar() } }
    )
    .navButtonAdd("#pager",
    {caption:"Clear",title:"Clear Search",
    buttonicon :'ui-icon-refresh',
    onClickButton:function(){ mygrid[0].triggerToolbar() } }
    );
    mygrid.filterToolbar();

----