this is my code:
DataAdapter have all records (1000) but all are undefined:

https://drive.google.com/open?id=1f69iOCSECL8WPczyTa2Afu03CCAzDEWd

https://drive.google.com/open?id=1d5rYK1fhgQ5HhN6CgDWreee2PreEhz0w
<script type=”text/javascript”>
$(document).ready(function () {
// prepare the data
var source = {
datatype: “json”,
datafields: [{ name: ‘Id’, type: ‘number’ }, { name: ‘Cognome’, type: ‘string’ }, { name: ‘Nome’, type: ‘string’ }],
type: “GET”,
id:”Id”,
url: ‘Home/SomeMethod2’
};
var dataAdapter = new $.jqx.dataAdapter(source, {
autoBind: true,
async: false
});
$(“#jqxgrid”).jqxGrid({
source: dataAdapter,
theme: ‘classic’,
columns: [{ text: ‘Id’, datafield: ‘Id’, width: 250 }, { text: ‘Cognome’, datafield: ‘Cognome’, width: 250 }, { text: ‘Nome’, datafield: ‘Nome’, width: 150 }]
});
});
</script>