public Stage(string name, Nullable <int> price, int duration__month_, string language, Trainer trainer, ProgrammingCourses programmingCours, ClassRoom classRoom)
{
Name = name;
Price = price;
Duration__month_ = duration__month_;
Language = language;
this.Students = new HashSet <Student>();
Trainer = trainer;
ProgrammingCours = programmingCours;
ClassRoom = classRoom;
}
static void Main(string[] args)
{
using (DB_For_DbFirstEntities db = new DB_For_DbFirstEntities())
{
ClassRoom classRoom1 = new ClassRoom("Create", 24);
Trainer trainer1 = new Trainer("Vanik", "Hakobyan", "C#");
Score score1 = new Score(9, 9, 9, 9);
ProgrammingCourses programmingCourses1 = new ProgrammingCourses("C# Bootcamp");
Student student1 = new Student("Ani", "Hakobyan", DateTime.Now.AddYears(-24), 9);
Stage stage1 = new Stage("Advance", 40000, 1, "C#", trainer1, programmingCourses1, classRoom1);
db.Stages.Add(stage1);
stage1.Students.Add(student1);
student1.Score = score1;
db.SaveChanges();
Console.ReadKey();
}
}