public RepositorySubject(PrSchoolContext context) { db = context; }
public RepositoryTeacher(PrSchoolContext context) { db = context; }
public RepositoryPupil(PrSchoolContext context) { db = context; }
public RepositoryClass(PrSchoolContext context) { this.db = context; }
public EFUnitOfWork(/*string connectionString*/) { db = new PrSchoolContext(); }