public Session(DateTime _dateDebut, DateTime _dateFin, Promotion _promo, Matiere _matiere, Salle _salle, Formateur _formateur)
{
this.DateDebut = _dateDebut;
this.DateFin = _dateFin;
this.Promotion = _promo;
this.Matiere = _matiere;
this.Salle = _salle;
this.Formateur = _formateur;
}
public Session(DateTime _dateDebut, DateTime _dateFin, Promotion _promo, Matiere _matiere, Salle _salle) : this(_dateDebut, _dateFin, _promo, _matiere, _salle, null)
{
}