public void xoa_maybay(string id)
{
MAYBAY x = layOnemaybay(id);
db.MAYBAYs.Remove(x);
db.SaveChanges();
}
public void them_maybay(MAYBAY mb)
{
string idmaybay = Content.RandomString(8);
mb.idMayBay = idmaybay;
string[] idhang = mb.idHang.Split(' ');
mb.idHang = idhang[0];
db.MAYBAYs.Add(mb);
db.SaveChanges();
}
public void sua_maybay(MAYBAY mb)
{
string[] idhang = mb.idHang.Split(' ');
MAYBAY x = layOnemaybay(mb.idMayBay);
x.TenMayBay = mb.TenMayBay;
x.idHang = idhang[0];
x.SoLuongKhach = mb.SoLuongKhach;
db.SaveChanges();
}