jQuery Grid Plugin - jqGrid

I have use the following code

jQuery(document).ready(function(){

       
    jQuery("#editgrid").jqGrid({       
    url:'a.jsp?q=1',
        datatype: "xml",
        colNames:['Select','UserID','First Name', 'Last Name', 'User Created Date','User Created By','Last Modification Date','Password','Status','Group'],
       colModel:[
           {name:'id',index:'id', width:55,editable:false,editoptions:{readonly:true,size:10}},
            {name:'uid',index:'uid', width:55,editable:true,editoptions:{size:10}},
            {name:'uname',index:'uname', width:80,editable:true,editoptions:{size:25}},
           {name:'lname',index:'lname', width:90,editable:true,editoptions:{size:25}},
        {name:'ucreatedate',index:'ucreatedate', width:60,sortable:true, align:"right",editable:true,editoptions:{size:10}},
        {name:'ucreatedby',index:'ucreatedby', width:60, align:"right",editable:true,editoptions:{size:10}},       
        {name:'ldate',index:'ldate', width:60,align:"right",editable:true,editoptions:{size:10}},
       
        {name:'pass',index:'pass', width:60,align:"right",editable:true,edittype:"password",editoptions:{size:10}},
        {name:'status',index:'status', width:100, sortable:false,editable: true,edittype:"select",editoptions:{value:"Active:Active;InActive:InActive"}},
        {name:'group',index:'group', width:100, sortable:false,editable: true,edittype:"select",surl:"b.jsp",search:true},

       ],
       rowNum:6,
       rowList:[6,12,15],
      
       pager: jQuery('#pagered'),
    imgpath: 'themes/basic/images',
    sortname: 'id',
    viewrecords: true,
    sortorder: "desc",
    caption:"GRID",
    editurl:"edit.jsp"
    });
    jQuery("#editgrid").navGrid('#pagered',
    {}, //options
    {height:280,reloadAfterSubmit:false, url:"edit.jsp?yes=1" }, // edit options
    {height:280,reloadAfterSubmit:true,url:"edit.jsp?yes=2"}, // add options
    {reloadAfterSubmit:true,url:"edit.jsp?yes=3"}, // del options
    {} // search options
);

b.jsp output

<select> <option  value="0">    Choose One   </option>
<option  value="t1"> T1</option>
<option  value="t2">T2</option>
</select>

it gives the javascript error  option value undefined

please reply