public ActionResult List()
        {
            using (var db = new XkSystem.Models.DbContext())
            {
                var vm = new Models.TeacherGrade.List();
                vm.GradeList = Basis.Controllers.GradeController.SelectList();

                var tb = from p in db.Table <Teacher.Entity.tbTeacherGrade>()
                         where p.tbTeacher.IsDeleted == false
                         select p;

                if (string.IsNullOrEmpty(vm.SearchText) == false)
                {
                    tb = tb.Where(d => d.tbTeacher.TeacherCode.Contains(vm.SearchText) || d.tbTeacher.TeacherName.Contains(vm.SearchText));
                }

                vm.TeacherGradeList = (from p in tb
                                       orderby p.tbTeacher.TeacherName
                                       select new Dto.TeacherGrade.List
                {
                    Id = p.Id,
                    GradeId = p.tbGrade.Id,
                    TeacherId = p.tbTeacher.Id,
                    TeacherCode = p.tbTeacher.TeacherCode,
                    TeacherName = p.tbTeacher.TeacherName
                }).ToList();
                return(View(vm));
            }
        }
 public ActionResult List(Models.TeacherGrade.List vm)
 {
     return(Code.MvcHelper.Post(null, Url.Action("List", new { searchText = vm.SearchText })));
 }