jQuery Grid Plugin - jqGrid

Hi I am new to jgrid .Need urgent help Rgarding this.

My Jqgrid and servlet is this

Help needed.

jQuery(document).ready(function(){ jQuery("#list")
        .jqGrid({
         url:'Jtest/Data',
            datatype: 'xml', 
             mtype:'GET',  
        colNames:['Inv No','Date', 'Amount','Tax','Total','Notes'],
       
        colModel :[ {name:'invid', index:'invid', width:55, sortable:'true',sorttype:'int' },
        {name:'invdate', index:'invdate', width:90, sorttype:'int', sortable:'true'},
        {name:'amount', index:'amount', width:80, align:'right', sortable:'true',sorttype:'int'},
        {name:'tax', index:'tax', width:80, align:'right', sortable:'true',sorttype:'int'},
        {name:'total', index:'total', width:80, align:'right', sortable:'true',sorttype:'int'},
        {name:'note', index:'note', width:150, sortable:false} ],
        xmlReader: { root:"rows", repeatitems:true},
        pager: 'pager1', altRows:true,height:250,
        rowNum:30, viewrecords: true, pgbuttons:true,pginput:true,shrinkToFit:true,
        autowidth: true,
        rowList:[10,20,30],
        sortorder: "desc",
        imgpath: 'image.png',
        toolbar:"top",
        sortname:'Inv No',multiselect: true,
        caption: 'My first grid'
        });jQuery("#list").jqGrid('navGrid','pager1',{add:false,del:false,edit:false,position:'right'});

My Servlet is :::::::::

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
  super.doGet(request, response);
   PrintWriter out = response.getWriter();
   out.println( "<?xml version='1.0' encoding='utf-8'?>");
   out.println( "<page>"+1+"</page>");
      out.println("<total>"+30+"</total>");
      out.println("<records>"+2+"</records>");  
      out.println("<request>"+true+"/request");
      out.println( "<rows>");
     
      out.println("<row id='"+1+"'>");        
         out.println("<cell>"+2+"</cell>");
        
         out.println( "<cell><![CDATA["+"HIIII"+"]]></cell>");
         out.println("<cell>"+2+"</cell>");
         out.println("<cell>"+2+"</cell>");
         out.println("<cell>"+2+"</cell>");
         out.println( "<cell><![CDATA["+"HIIII"+"]]></cell>");
         out.println( "</row>");   
                
         out.println("<row id='"+2+"'>");        
         out.println("<cell>"+3+"</cell>");
         out.println( "<cell>"+ 3+"</cell>");
         out.println("<cell>"+3+"</cell>");
         out.println("<cell>"+3+"</cell>");
         out.println("<cell>"+3+"</cell>");
         out.println( "<cell>"+3+"</cell>");
         out.println( "</row>");
           
         out.println("</rows>");