public Student(Student s)
{
FirstName = s.FirstName;
LastName = s.LastName;
EmailS = s.EmailS;
TelS = s.TelS;
Sexe = s.Sexe;
BornOn = s.BornOn;
BornAt = s.BornAt;
Photo = s.Photo;
Matricule = $"{FirstName.Substring(0, 2)}{BornOn.Year.ToString().Substring(2)}" +
$"{count++.ToString().PadLeft(4, '0')}{Sexe.Substring(0, 1)}";
}
public Etudiant(Etudiant e, Ecole s)
: base(s.Name, s.Tel, s.Logo, s.Email)
{
FirstName = e.FirstName;
LastName = e.LastName;
EmailS = e.EmailS;
TelS = e.TelS;
Sexe = e.Sexe;
BornOn = e.BornOn;
BornAt = e.BornAt;
Photo = e.Photo;
Matricule = $"{FirstName.Substring(0, 2)}{BornOn.Year.ToString().Substring(2)}" +
$"{count++.ToString().PadLeft(4, '0')}{Sexe.Substring(0, 1)}";
}