static void Main(string[] args)
{
using (SchoolDataContext db = new SchoolDataContext())
{
Console.WriteLine("Enter a department name:");
string dName = Console.ReadLine();
Department department = new Department()
{
Name = dName
};
db.Departments.Add(department);
db.SaveChanges();
Console.WriteLine("Enter a student information:");
Student student = new Student {Department = department};
Console.WriteLine("Write name: ");
student.Name = Console.ReadLine();
Console.WriteLine("Write address: ");
student.Address = Console.ReadLine();
Console.WriteLine("Write phone: ");
student.Phone = Console.ReadLine();
db.Students.Add(student);
db.SaveChanges();
DisplayStudents(db.Students.ToList());
}
Console.WriteLine("Done");
Console.ReadLine();
}
static void Main(string[] args)
{
using (SchoolDataContext db = new SchoolDataContext())
{
Console.WriteLine("Update a new student. ");
Student student = new Student();
Console.WriteLine("Write the Id");
student.StudentId = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("Write name: ");
//student.Name = Console.ReadLine();
//Console.WriteLine("Write address: ");
//student.Address = Console.ReadLine();
//Console.WriteLine("Write phone: ");
//student.Phone = Console.ReadLine();
db.Students.Attach(student);
db.Entry(student).State = EntityState.Deleted;
db.SaveChanges();
DisplayStudents(db.Students.ToList());
}
Console.WriteLine("Done");
Console.ReadLine();
}
