public async Task <IActionResult> IndexTeacher(int taskId) { // check task id Models.Task task = _databaseWorker.GetTaskById(taskId); IEnumerable <N_To_N_TaskStudent> n_to_ns = await _taskService.GetStudentTasks(task); StudentThatPassedViewModel model = new StudentThatPassedViewModel { TaskStudents = n_to_ns, Task = task }; return(View(model)); }