protected void Button2_Click(object sender, EventArgs e)
{
using (var db = new DienMayDbContext())
{
var loai1 = db.Loais.Find(1);
// Load related entities
db.Entry(loai1).Collection(p => p.SanPhams).Load();
// Load the SanPhams related to a given loai2
// using a string to specify the relationship
var loai2 = db.Loais.Find(2);
db.Entry(loai2).Collection("SanPhams").Load();
}
}
// Explicitly Loading
// Khi Lazy Loading Enadled là False
protected void Button1_Click(object sender, EventArgs e)
{
using (var db = new DienMayDbContext())
{
var loai1 = db.Loais.Find(1);
// Load chungloai liên quan đến loai
db.Entry(loai1).Reference(p => p.ChungLoai).Load();
// Hoặc:
var loai2 = db.Loais.Find(2);
db.Entry(loai2).Reference("ChungLoai").Load();
}
}