public bool ThemHoaDonPhongTroChuaThanhToan(int mahd, int sotien, DateTime thoigianlap)
{
try
{
QUANLYNHATRO1DataContext context = new QUANLYNHATRO1DataContext();
HoaDonPhongTro hdpt = new HoaDonPhongTro();
hdpt.MaHD = mahd;
hdpt.SoTien = sotien;
hdpt.ThoiGianLap = thoigianlap;
context.HoaDonPhongTros.InsertOnSubmit(hdpt);
context.SubmitChanges();
return(true);
}
catch { }
return(false);
}
public bool SuaHoaDonPhongTroChuaThanhToan(int mahoadon, DateTime thoigianthanhtoan)
{
try
{
QUANLYNHATRO1DataContext context = new QUANLYNHATRO1DataContext();
HoaDonPhongTro hdpt = context.HoaDonPhongTros.FirstOrDefault(x => x.MaHoaDon == mahoadon);
if (hdpt != null)
{
hdpt.ThoiGianThanhToan = thoigianthanhtoan;
context.SubmitChanges();
return(true);
}
return(false);
}
catch { }
return(false);
}
public bool XoaHoaDonPhongTro(int mahoadonpt)
{
try
{
QUANLYNHATRO1DataContext context = new QUANLYNHATRO1DataContext();
HoaDonPhongTro hdpt = context.HoaDonPhongTros.FirstOrDefault(x => x.MaHoaDon == mahoadonpt);
if (hdpt != null)
{
context.HoaDonPhongTros.DeleteOnSubmit(hdpt);
context.SubmitChanges();
return(true);
}
return(false);
}
catch
{
}
return(false);
}
