public JsonResult QueryEmp(string deptName)
 {
     RingelOrgControl uco = new RingelOrgControl();
     return Json(uco.GetAllEmployeeName(deptName), JsonRequestBehavior.AllowGet);
 }
 // GET: Composite
 public ActionResult Index()
 {
     RingelOrgControl uco = new RingelOrgControl();
     return View(uco.GetAllDepartmentName());
 }