Could you help me?, I am new to jQuery and jqGrid.

I have a lot of time with this, my problem is: the key does not pass to the grid master to detail, in my PHP code, I will always get one empty

Sorry, for my English,

Thank a lot

Here is a portion of code,

jQuery(document).ready(function(){
jQuery(“#req_p”).jqGrid({
url:'solic_almac_p.php',
datatype:'json',
mtype:'GET',
colNames:['No.Requisici