jQuery Grid Plugin - jqGrid

{"dataRows":[{"age":"age20","title":"title20","address":"address20","email":"email20","tel":"tel20","name":"name20","id":20,"company":"company20"},{"age":"age19","title":"title19","address":"address19","email":"email19","tel":"tel19","name":"name19","id":19,"company":"company19"},{"age":"age18","title":"title18","address":"address18","email":"email18","tel":"tel18","name":"name18","id":18,"company":"company18"},{"age":"age17","title":"title17","address":"address17","email":"email17","tel":"tel17","name":"name17","id":17,"company":"company17"},{"age":"age16","title":"title16","address":"address16","email":"email16","tel":"tel16","name":"name16","id":16,"company":"company16"},{"age":"age15","title":"title15","address":"address15","email":"email15","tel":"tel15","name":"name15","id":15,"company":"company15"},{"age":"age14","title":"title14","address":"address14","email":"email14","tel":"tel14","name":"name14","id":14,"company":"company14"},{"age":"age13","title":"title13","address":"address13","email":"email13","tel":"tel13","name":"name13","id":13,"company":"company13"},{"age":"age12","title":"title12","address":"address12","email":"email12","tel":"tel12","name":"name12","id":12,"company":"company12"},{"age":"age11","title":"title11","address":"address11","email":"email11","tel":"tel11","name":"name11","id":11,"company":"company11"},{"age":"age10","title":"title10","address":"address10","email":"email10","tel":"tel10","name":"name10","id":10,"company":"company10"},{"age":"age9","title":"title9","address":"address9","email":"email9","tel":"tel9","name":"name9","id":9,"company":"company9"},{"age":"age8","title":"title8","address":"address8","email":"email8","tel":"tel8","name":"name8","id":8,"company":"company8"},{"age":"age7","title":"title7","address":"address7","email":"email7","tel":"tel7","name":"name7","id":7,"company":"company7"},{"age":"age6","title":"title6","address":"address6","email":"email6","tel":"tel6","name":"name6","id":6,"company":"company6"},{"age":"age5","title":"title5","address":"address5","email":"email5","tel":"tel5","name":"name5","id":5,"company":"company5"},{"age":"age4","title":"title4","address":"address4","email":"email4","tel":"tel4","name":"name4","id":4,"company":"company4"},{"age":"age3","title":"title3","address":"address3","email":"email3","tel":"tel3","name":"name3","id":3,"company":"company3"},{"age":"age2","title":"title2","address":"address2","email":"email2","tel":"tel2","name":"name2","id":2,"company":"company2"},{"age":"age1","title":"title1","address":"address1","email":"email1","tel":"tel1","name":"name1","id":1,"company":"company1"}],"page":1,"records":100,"total":20}

this is my callback's json data,and i use jqgrid to display,but it 's empty,

my code below:

         });               }).navGrid('#pagination',{edit:true,add:true,del:true});       caption: "manage" viewrecords: true,  sortorder: 'desc', sortname: 'id', rowList:[10,20,30], }, id:"0"             repeatitems : false, root: "dataRows",    jsonReader: {      prmNames:{rows:"pageSize",page:"page"},      multiselect: true,  rowNum:10, sortable: true, pager: '#pagination',        ],             {name:'email',index:'email', width:100, align:"right",sorttype:"float"}            {name:'tel',index:'tel', width:120,align:"right",sorttype:"float"},            {name:'address',index:'address', width:200},                         {name:'company',index:'company', width:200, align:"right",sorttype:"float"},             {name:'age',index:'age', width:100, align:"right",sorttype:"float"},            {name:'title',index:'title', width:100, sorttype:"date"},            {name:'name',index:'name', width:100, sorttype:"int"},            {name:'id',index:'id', width:100, sorttype:"int"},          colModel:[    colNames:['id','name','title', 'age', 'company','addr','tel','mail'],    height: 350, mtype: 'GET', datatype: 'json',             url:'jsontest/test_list.shtml',$("#testResult").jqGrid({