static void Main(string[] args)
{
var id = 0;
using (var dbContext = new MyContext())
{
var department = new Department();
department.AddFaculty(FacultyEnum.Eng);
department.AddFaculty(FacultyEnum.Math);
dbContext.Department.Add(department);
var department2 = new Department();
department2.AddFaculty(FacultyEnum.Math);
dbContext.Department.Add(department2);
dbContext.SaveChanges();
id = department.Id;
}
using (var dbContext = new MyContext())
{
var department = dbContext.Department.Find(id);
department.AddFaculty(FacultyEnum.Eco);
dbContext.SaveChanges();
}
using (var dbContext = new MyContext())
{
var department = dbContext.Department.Find(id);
var faculty = department.Faculties.Where(x => x.Id == (int)FacultyEnum.Eng).FirstOrDefault();
department.Faculties.Remove(faculty);
dbContext.SaveChanges();
}
using (var dbContext = new MyContext())
{
var department = dbContext.Department.Find(id);
Console.WriteLine($"Department Id {department.Id} has these faculties:");
foreach (var faculty in department.Faculties)
{
Console.WriteLine($"- {faculty.Id}");
}
}
Debugger.Break();
}