{name:'ship',index:'ship', width:90, editable: true,edittype:"select",editoptions:{value:"FE:FedEx;IN:InTime;TN:TNT;AR:ARAMEX"}}

{name:'note',index:'note', editable:true,edittype:'custom', editoptions:{custom_element: myelem, custom_value:myvalue},width:150, sortable:false} ]

function myelem(value, options) {
var el = document.createElement("select");
if(value!=null&&value.length>0)
{
    var optvalues = eval（value);
    if(optvalues.length>0)
    {
      for(var i=0;i<optvalues.length;i++)
        {
        var optvalue = optvalues[i].optvalue;
        var optdisplay = optvalues[i].optdisplay;
        var optel = document.createElement("option");
        optel.innerHTML = optdisplay;
        optel.value = optvalue;
        el.appendChild(optel);
        }
    }
}
return el;
}

function myvalue(elem, operation, value) {
  if(operation === 'get') {
    return $(elem).val();
  } else if(operation === 'set') {
    $(elem).val(value);
  }
}

{optvalue:'value',optdisplay:'display'}