jqgrid() is not a function error

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ASP.NET

Hi,
I am doing one mvc3 application with jqgrid.In that am using $("#list").jqgrid({}) like that,.But it displays an error.
$("list").jqgrid() is not a function error.
can any one suggest me how to solve this error.

$(document).ready(function () {
            $("#list").jqGrid({
                url: '/Home/GridData/',
                datatype: 'json',
                mtype: 'GET',
                colNames: ['Id', 'Votes', 'Title'],
                colModel: [
          { name: 'Id', index: 'Id', width: 40, align: 'left' },
          { name: 'Votes', index: 'Votes', width: 40, align: 'left' },
          { name: 'Title', index: 'Title', width: 400, align: 'left'}],
                pager: jQuery('#pager'),
                rowNum: 10,
                rowList: [5, 10, 20, 50],
                sortname: 'Id',
                sortorder: "desc",
                viewrecords: true,
                imgpath: '/scripts/themes/coffee/images',
                caption: 'My first grid'
            });
        });