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); } }