public JsonResult SendData(string StaffNumber)
        {
            StaffArchive staffArchive = new StaffArchive();

             var itemStaff = (from p in db.Staffs
                            where StaffNumber == p.StaffNumber
                             select p).FirstOrDefault();
            //赋值
             staffArchive.StaffName = itemStaff.Name;
             staffArchive.LeaveDate = itemStaff.LeaveDate;
             staffArchive.ReApplyDate= null;
             return Json(staffArchive);
        }
        public ActionResult Test()
        {
            var temp= from p in db.StaffArchives select new {学生姓名=p.BillTypeName};
            StaffArchive sa=new StaffArchive();
            //string temp = sa.BillTypeName.;
            DataTable dt = new DataTable("StaffArchives");
            //db.Database.Connection("");
            //DataClasses1DataContext dc = new DataClasses1DataContext();
            //var temp = from sa in db.GetTables() select sa;
            //foreach (var t in temp) {
            //foreach(var tt in t.rowT)
            //{

            //}}
            return View();
        }
        public JsonResult SendBillTypeNumber(string BillTypeNumber)
        {
            StaffArchive staffArchive = new StaffArchive();
            var item = (from p in db.BillProperties where BillTypeNumber == p.Type select p).FirstOrDefault();

            staffArchive.BillTypeName = item.TypeName;
            return Json(staffArchive);
        }