public bool Update(CT_HDNHAP phong)
{
try
{
using (var db = new QLPhongKaraokeEntities())
{
var x = from s in db.CT_HDNHAP
where (s.IDHoaDon == phong.IDHoaDon && s.IDHang == phong.IDHang)
select s;
var sv = x.FirstOrDefault();
if (sv != null)
{
sv.SoLuong = phong.SoLuong;
sv.ThanhTien = phong.ThanhTien;
sv.DonGiaNhap = phong.DonGiaNhap;
db.SaveChanges();
}
}
return(true);
}
catch (Exception)
{
return(false);
}
}
public bool Insert(CT_HDNHAP phong)
{
try
{
using (var db = new QLPhongKaraokeEntities())
{
db.CT_HDNHAP.Add(phong);
db.SaveChanges();
}
return(true);
}
catch (Exception)
{
return(false);
}
}
