// Редактирование информации про ученика.
public ActionResult EditPupilInformation(int action)
{
PupilFullInformation p = PupilsDB.GetPupilsFullInformation(action);
List <Class> classesList = ClassesDB.GetClassesWithoutCurr(p.Class);
SelectList classesSL = new SelectList(classesList, "Class_ID", "Class_Name");
ViewBag.Classes = classesSL;
return(View(p));
}