private static void SelectRecordAll(KptBoardContext db)
{
var persons = db.Persons.Include(person => person.Boards);
foreach (var person in persons)
{
Console.WriteLine($"Name={person.Name}, Age={person.Age}");
foreach (var board in person.Boards)
{
Console.WriteLine($"Date={board.Date}, Keep={board.Keep}");
}
}
}
private static void SelectRecordByName(KptBoardContext db, string name)
{
// var persons = db.Persons.Where(p => p.Name == name).Include(person => person.Boards);
var persons = db.Persons.Where(p => p.Name == name).Include("Boards");
foreach (var person in persons)
{
Console.WriteLine($"Name={person.Name}, Age={person.Age}");
foreach (var board in person.Boards)
{
Console.WriteLine($"Date={board.Date}, Keep={board.Keep}");
}
}
}
private static void InsertRecord(KptBoardContext db)
{
Person person;
//person = new Person { Name = "Test01" };
//db.Add(person);
//person = new Person { Name = "Test02" };
//db.Add(person);
//person = new Person { Name = "Test03", Age = 3 };
//db.Add(person);
//List<Board> boards = new List<Board>{
// new Board { Date= DateTime.Parse("2017/03/04"), Keep = "KEEP1"},
// new Board { Date= DateTime.Parse("2017/03/05"), Keep = "KEEP2"},
//};
//person = new Person { Name = "Test04", Age = 4, Boards = boards };
//db.Add(person);
//person = new Person
//{
// Name = "Test05",
// Age = 5,
// Boards = new List<Board> {
// new Board { Date = DateTime.Parse("2017/03/03"), Keep = "KEEP3" },
// new Board { Date = DateTime.Parse("2017/03/04"), Keep = "KEEP4" },
// }
//};
//db.Add(person);
person = new Person
{
Name = "Test06",
Age = 6,
};
person.AddBoard(new Board {
Date = DateTime.Parse("2017/03/05"), Keep = "KEEP61"
});
person.AddBoard(new Board {
Date = DateTime.Parse("2017/03/06"), Keep = "KEEP62"
});
db.Add(person);
db.SaveChanges();
}
static void Main(string[] args)
{
using (var db = new KptBoardContext())
{
//DropDatabase(db);
//CreateDatabase(db);
//InsertRecord(db);
var person = db.Persons.Where(p => p.Name == "Test04").Include("Boards").First();
person.AddBoard(new Board {
Date = DateTime.Now, Keep = "KEEP" + DateTime.Now.Hour + DateTime.Now.Minute
});
db.Update(person);
db.SaveChanges();
SelectRecordAll(db);
//SelectRecordByName(db, "Test03");
}
}
private static void DropDatabase(KptBoardContext db)
{
db.Database.EnsureDeleted();
}
private static void CreateDatabase(KptBoardContext db)
{
db.Database.EnsureCreated();
}