public ActionResult List()
        {
            using (var db = new XkSystem.Models.DbContext())
            {
                var vm = new Models.ElectiveGroup.List();
                vm.ElectiveName = db.Table <Entity.tbElective>().FirstOrDefault(d => d.Id == vm.ElectiveId).ElectiveName;

                var tb = from p in db.Table <Entity.tbElectiveGroup>()
                         where p.tbElective.Id == vm.ElectiveId
                         select p;

                if (string.IsNullOrEmpty(vm.SearchText) == false)
                {
                    tb = tb.Where(d => d.ElectiveGroupName.Contains(vm.SearchText));
                }

                vm.ElectiveGroupList = (from p in tb
                                        orderby p.No
                                        select p).ToList();
                return(View(vm));
            }
        }
 public ActionResult List(Models.ElectiveGroup.List vm)
 {
     return(Code.MvcHelper.Post(null, Url.Action("List", new { searchText = vm.SearchText, electiveId = vm.ElectiveId })));
 }