uncaught typeerror 3a jquery 28 29 jqgrid is not a function

1<script src="~/Scripts/jquery.jqGrid.min.js"></script>
2<script src="~/Scripts/i18n/grid.locale-en.js"></script>
3<link href="~/Content/jquery.jqGrid/ui.jqgrid.css" rel="stylesheet" />
4<link href="~/Content/themes/base/jquery-ui.css" rel="stylesheet" />
5
6<script type="text/javascript">
7
8
9    $(document).ready(function myfunction() {
10       jQuery('#list').jqGrid({
11           caption: "Employee Details",
12           url: '@Url.Action("GetEmployee")',
13           datatype: "json",
14           contentType: "application/json; charset-utf-8",
15           mtype: 'GET',
16           colNames: ['Id' , 'First Name', 'Last Name', 'Email Id'],
17           colModel: [
18                 { name: 'Id', index: 'Id', width: 150 },
19                 { name: 'First Name', index: 'FirstName', width: 150 },
20                 { name: 'Last Name', index: 'LastName', width: 150 },
21                 { name: 'Email', index: 'EmailId', width: 150 }
22           ],
23           rowNum: 10,
24           loadonce: true
25
26       });
27
28       jQuery("#list").jqGrid('navGrid', '#pager', { edit: true, add: true, del: true });
29   });
30</script>

1    <script src="js/jqgrid/js/jquery-1.5.2.min.js" type="text/javascript"></script>
2<script src="js/jquery-ui/js/jquery-ui-1.8.16.custom.min.js" type="text/javascript"></script>
3<script src="js/jqgrid/js/i18n/grid.locale-en.js" type="text/javascript"></script>
4<script src="js/jqgrid/js/jquery.jqGrid.min.js" type="text/javascript"></script>
5<link rel="stylesheet" type="text/css" media="screen" href="js/jquery-ui/css/custom-theme/jquery-ui-1.8.16.custom.css" />
6<link rel="stylesheet" type="text/css" media="screen" href="js/jqgrid/css/ui.jqgrid.css" />
7