public void Seed(int count)
{
Console.Write("Importing students:");
var db = new StudentsSystemDbContext();
for (int i = 0; i < count; i++)
{
var student = new Student
{
Name = RandomGenerator.GetRandomString(10, 50),
Number = RandomGenerator.GetRandomString(10, 10)
};
db.Students.Add(student);
if (i % 10 == 0)
{
Console.Write(".");
}
if (i % 100 == 0)
{
db.SaveChanges();
db.Dispose();
db = new StudentsSystemDbContext();
}
}
db.SaveChanges();
Console.WriteLine();
}
static void Main()
{
Database.SetInitializer(new MigrateDatabaseToLatestVersion<StudentsSystemContext, Configuration>());
using (StudentsSystemContext dbContext = new StudentsSystemContext())
{
var firstHomework = new Homework()
{
Content = "Simple database1",
TimeSent = DateTime.Now,
};
var secondHomework = new Homework()
{
Content = "Simple database2",
TimeSent = DateTime.Now,
};
var student = new Student()
{
FirstName = "Nikolay",
LastName = "Kostadinov",
Number = "965552",
};
var course = new Course()
{
Name = "DataBase",
Description = "Entity Framework Code First",
Materials = "Lections, homework"
};
student.Homeworks.Add(firstHomework);
student.Homeworks.Add(secondHomework);
student.Courses.Add(course);
course.Homeworks.Add(secondHomework);
course.Students.Add(student);
dbContext.Students.Add(student);
dbContext.Courses.Add(course);
dbContext.Homeworks.Add(firstHomework);
dbContext.Homeworks.Add(secondHomework);
dbContext.SaveChanges();
}
}
