How to scroll horizontal bar of jqgrid table but still keep first column ?

See more:

Javascript

JSP

JQGrid

Hi experts!
I used jqgrid plugin to create table. while i scroll horizontal bar to left or right i want to keep all contents of first column. I searched google but still haven't found ways yet. Expert who have experienced please help me!
thank you so much!

code:

<table id="grid-viewresult"><table>

 $("#grid-viewresult").jqGrid({
       data: data,
       datatype: "local",
       height: 220,
       width: 462,
       colNames: colNames,
       colModel: colModel,

       rowNum: 99999999,
       toolbarfilter: false,
       viewrecords: false,
       multiselect: false,
       autowidth: false,
       forceFit: true,
       shrinkToFit: false
});