public IActionResult Add(GradeViewModel model)
{
for (var i = 0; i < model.StudentId.Length; i++)
{
var user = userServices.GetById(model.StudentId[i]);
var homework = homeworkServices.getById(model.HomeworkId[i]);
var mark = model.Mark[i];
gradeServices.Add(homework, user, mark);
}
return(View());
}
