how can i do to not lose a filter in a jqxGrid when a change the next page? i'm using the filters from my dataAdapter - jqxgrid

Question

i have a problem, i use this control is a jqxGrid, this is:
function initGridUsuarios() {
// campos y adaptador
var fields = [
{ name: "NoEmpleado", type: "int" },
{ name: "Nombre", type: "string" },
{ name: "Departamento", type: "string" }
],
dataAdapter = utils.generateGridAdapter(gridEmpleados, "GestionPaqueteInfo", "ObtenerGridUsuarios", fields, getGridFilters);
gridEmpleados.jqxGrid({
width: 900,
height: 400,
theme: tema,
columnsresize: true,
pageable: true,
altrows: true,
virtualmode: true,
rendergridrows: function () {
return dataAdapter.records;
},
localization: utils.getIdiomaGrid(),
source: dataAdapter,
columns: [
{ text: "Id", dataField: "Id", columngroup: "Titulo", width: 100, hidden: true },
{ text: "Número de Empleado", dataField: "NoEmpleado", columngroup: "Titulo", width: 150 },
{ text: "Nombre", dataField: "Nombre", columngroup: "Titulo", width: 250 },
{ text: "Departamento", dataField: "Departamento", columngroup: "Titulo", width: 350 },
{
text: "Crear paquete info", datafield: "Crear", columngroup: "Titulo", columntype: "button", width: 150, cellsrenderer: function () {
return "Crear";
}, buttonclick: function (clickRow) {
crear();
}
},
],
columngroups: [
{ text: "Busqueda de Empleados para creación de paquete inventario informática", align: "center", name: "Titulo" }
]
});
}
actually it loose the filter, when i change the page, what can i do to not lose the filter?
:$ sorry my english is not really good :$:$