static void Main(string[] args)
{
var ctx = new SampleDbContext();
var people = ctx.People.ToList();
Console.WriteLine("exit");
}
static void Main(string[] args)
{
using (var ctx = new SampleDbContext())
{
var allPeople = ctx.People.ToList();
var teacher = ctx.People.OfType<Teacher>().ToList();
Console.WriteLine(allPeople.Count);
Console.WriteLine(teacher.Count);
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}