jquery - How to hide JqGrid column names -

i new jqgrid. want hide column names of grid. gone through documentation of grid options & colmodel. found nothing. please find jsfiddle link - jsfiddle example want hide column names such client, inv no, date, amount, tax, total & notes.

please me. in advance

enter code here 

i marked duplicate answers question, answer given there place following line under grid declaration:

$('.ui-jqgrid-hdiv').hide();