Introduction
In order to disable sorting in an advanced grid, all you have to do is set this code below as Custom HTML inside the same form.
Custom HTML
<script>
$(document).ready(function(){
$('.pq_grid').pqGrid('option','sortable',false);
})
</script>
Example
Figure 1: Configuration of Sample App
Figure 2: Runtime of Sample App
It may not be immediately noticeable in Figure 2, but if you try and click on any of the column names of the table, you will not be able to sort it as we have disabled sorting via Javascript. Feel free to explore the sample app from the download link below.