If set to true the column will not be displayed in the grid. By default all columns are displayed.
Examples
sample
<table id="grid"></table>
<script>
$('#grid').grid({
dataSource: '/0_6/Grid/GetPlayers',
columns: [ { field: 'ID', width: 30 }, { field: 'Name' }, { field: 'PlaceOfBirth', hidden: true } ]
});
</script>