Return the number of records presented on the screen.
Examples
sample
<button id="btnShowCount">Show Count</button>
<br/><br/>
<table id="grid"></table>
<script>
var grid = $('#grid').grid({
dataSource: '/0_6/Grid/GetPlayers',
columns: [ { field: 'ID' }, { field: 'Name' }, { field: 'PlaceOfBirth' } ]
});
$('#btnShowCount').on('click', function () {
alert(grid.count());
});
</script>