jQuery Grid Plugin - jqGrid

The following URL works in the onSelectRow function but not the afterclickPgButtons. The alert in the function is fireing.

<table id="list2"></table>

<div id="pager2"></div>

<script type="text/javascript">

$(document).ready(function(){

var selID = "";

var temp = "";

$("#list2").jqGrid({

url:'/QMSWebApp/DCRQueueServlet',

editurl:'/QMSWebApp/DCRIndexEditServlet',

datatype: "json",

height: "auto",

colNames:['Index#','Priority','Drawing#/Rev','Dwg Index#','Source','Requester','Request Date','Requested Change','Assigned To','Reject Request','Reason for Rejection','MngrAccess','EngAccess'],

colModel:[

{name:'id', index:'id', width:55, editable: true, editoptions:{ readonly:'readonly'}, editrules:{edithidden:true}, formoptions:{rowpos:1, colpos:1,label:"Index#:"},

cellattr: function(rowId, val, rawObject, cm, rdata){

if(rawObject.priority==1 && (rawObject.mngraccess || rawObject.engaccess)){return 'class="redBG editthis"';}

else if(rawObject.priority==1 && !rawObject.mngraccess && !rawObject.engaccess){return 'class="redBG printthis"';}

else if(rawObject.priority==2 && (rawObject.mngraccess || rawObject.engaccess)){return 'class="blueBG editthis"';}

else if(rawObject.priority==2 && !rawObject.mngraccess && !rawObject.engaccess){return 'class="blueBG printthis"';}

else if(rawObject.priority==3 && (rawObject.mngraccess || rawObject.engaccess)){return 'class="greenBG editthis"';}

else if(rawObject.priority==3 && !rawObject.mngraccess && !rawObject.engaccess){return 'class="greenBG printthis"';}

else if(rawObject.priority==4 && (rawObject.mngraccess || rawObject.engaccess)){return 'class="greenBG editthis"';}

else if(rawObject.priority==4 && !rawObject.mngraccess && !rawObject.engaccess){return 'class="greenBG printthis"';}

else{return 'class="printthis"';}}},

{name:'priority', index:'priority', width:55, hidden: true, editable: true, editrules:{edithidden:true}, formoptions:{rowpos:2, colpos:1,label:"Priority:"}, edittype: "select", editoptions: { size: 1}},

{name:'drawingno', index:'drawingno', width:125, editable: true, editoptions:{ readonly:'readonly'}, formoptions:{rowpos:3, colpos:1,label:"Drawing#:"}},

{name:'drawingid', index:'drawingid', width:90, hidden: true, editable: true, editrules:{edithidden:true}, formoptions:{rowpos:3, colpos:2,label:"See Dwg Index# :",elmsuffix: " for fix."}, edittype: "select", editoptions: { size: 1}},

{name:'source',index:'source', width:90, editable: true, editoptions:{ readonly:'readonly'}, formoptions:{rowpos:4, colpos:1,label:"Source:"}},

{name:'requester',index:'requester', width:120, editable: true, editoptions:{ readonly:'readonly'}, formoptions:{rowpos:5, colpos:1,label:"Requester:"}},

{name:'request_date',index:'request_date', width:90, editable: true, editoptions:{ readonly:'readonly'}, formoptions:{rowpos:6, colpos:1,label:"Date Requested:"}},

{name:'requestedchange',index:'requestedchange', width:200, hidden: true, editable: true, formoptions:{rowpos:7, colpos:1,label:"Requested Change:"}, editrules:{edithidden:true}, edittype: "textarea", editoptions:{ readonly:'readonly', rows: '3', cols: '50'}},

{name:'responsibility',index:'responsibility', width:120, editable: true, formoptions:{rowpos:8, colpos:1,label:"Assigned To:"}},

{name:'rejectrequest',index:'rejectrequest', width:10, hidden: true, editable: true, editrules:{edithidden:true}, formoptions:{rowpos:9, colpos:1,label:"Reject Request:"}, edittype: "checkbox", editoptions:{ value: "1:0"}},

{name:'reasonforrejection',index:'reasonforrejection', width:10, hidden: true, editable: true, editrules:{edithidden:true}, formoptions:{rowpos:10, colpos:1,label:"Reason for Rejection:"}, edittype: "textarea", editoptions:{ rows: '3', cols: '50'}},

{name:'mngraccess',index:'mngraccess', width:90, hidden: true},

{name:'engaccess',index:'engaccess', width:90, hidden: true},

],

onSelectRow: oSelect,

rowNum:20,

rowList:[10,20,30],

loadonce: true,

pager: '#pager2',

viewrecords: true,

gridview: true,

loadComplete: lComplete,

caption:"Drawing Change Request Records"

});

$("#list2").jqGrid('delGridRow', selID);

$("#list2").jqGrid('navGrid','#pager2',{edit:true,add:false,del:true},{url:'/QMSWebApp/DCRIndexEditServlet', recreateForm: true, width: 700, afterclickPgButtons: afterpageClick},{url:'/QMSWebApp/DCRIndexAddServlet'},{});

function lComplete(){

};

function oSelect(id){

selID = id;

temp = $("#list2").getRowData(id)['drawingno'];

$("#list2").setColProp('drawingid', { editoptions: { dataUrl: '/QMSWebApp/DCRDrawingIndexListServlet?selecteditem=' + temp}});

$("#list2").setColProp('priority', { editoptions: { dataUrl: '/QMSWebApp/DCRPriorityOptionsListServlet'}});

$("#list2").setColProp('responsibility', { editoptions: {dataEvents: [{ type: 'click', fn: function(e) {findusername(this.name,'ALL'); } },]}});

};

function afterpageClick(whichbutton, formid, rowid){

temp = $("#list2").getRowData(rowid)['drawingno'];

alert(temp);

$("#list2").setColProp('drawingid', { editoptions: { dataUrl: '/QMSWebApp/DCRDrawingIndexListServlet?selecteditem=' + temp}});

};

$('.exporttoexcel').on("click", function(){

alert("Export to Excel");

});

});

</script>