void InsertAppointment() { ValidationSchedule schedule = SchedulerDataHelper.GetAppointmentToInsert <ValidationSchedule>( SchedulerDataHelper.CustomDataObject, SchedulerDemoHelper.CustomAppointmentStorage); if (schedule != null && TryValidateModel(schedule)) { CarsDataProvider.InsertSchedule <ValidationSchedule>(schedule); } else { ViewData["EditableSchedule"] = schedule; } }