The type of the row selection.
If the type is set to multiple the user will be able to select more then one row from the grid.
Examples
sample
<table id="grid"></table>
<script>
$('#grid').grid({
dataSource: '/0_6/Grid/GetPlayers',
selectionType: 'multiple',
selectionMethod: 'checkbox',
columns: [ { field: 'ID' }, { field: 'Name' }, { field: 'PlaceOfBirth' } ]
});
</script>