public void Create(T item)
{
if (item is null)
{
throw new ArgumentNullException(nameof(item));
}
_db.Entry(item).State = EntityState.Added;
_db.SaveChanges();
}
public static void Init()
{
var optionsBuilder = new DbContextOptionsBuilder <StudentsContext>();
var options = optionsBuilder
.UseSqlServer(@"Server=localhost\MSSQLSERVER01;Database=University;Trusted_Connection=True;")
.Options;
using (var db = new StudentsContext(options))
{
var group1 = new Group()
{
Name = "АААА-01-01"
};
db.Groups.Add(group1);
var stud1 = new Student()
{
Name = "Глеб",
Surname = "Шалимов",
Patronymic = "Дмитриевич",
Birthday = DateTime.Now,
Group = group1
};
var stud2 = new Student()
{
Name = "Глеб",
Surname = "Глебов",
Patronymic = "Глебович",
Birthday = DateTime.Now,
Group = group1
};
db.Students.Add(stud1);
db.Students.Add(stud2);
db.SaveChanges();
var prof1 = new Professor()
{
Name = "Пётр",
Surname = "Петров",
Patronymic = "Петрович",
Birthday = DateTime.Now,
Degree = "Доцент"
};
db.Professors.Add(prof1);
var sub = new Subject()
{
Name = "Математический анализ",
Professor = prof1
};
db.Subject.Add(sub);
var mark1 = new Mark()
{
Score = 71,
Comment = "Хорошо",
Subject = sub,
Student = stud1
};
db.Marks.Add(mark1);
db.SaveChanges();
}
}