public void GiamSoLuongDat(string makh, string matua)
{
HangDoi hangdoi = db.HangDois.Where(x => x.MaKhacHangs == makh && x.MaTuaDe == matua).FirstOrDefault();
hangdoi.SoLuongDat -= 1;
db.SubmitChanges();
}
public void GoHangDoi(string makh, string matua)
{
HangDoi hangdoi = db.HangDois.Where(x => x.MaKhacHangs == makh && x.MaTuaDe == matua).FirstOrDefault();
db.HangDois.DeleteOnSubmit(hangdoi);
db.SubmitChanges();
}
public int LaySoLuongDat(string makh, string matua)
{
HangDoi hangdoi = db.HangDois.Where(x => x.MaKhacHangs == makh && x.MaTuaDe == matua).FirstOrDefault();
if (hangdoi != null)
{
return((int)hangdoi.SoLuongDat);
}
return(1);
}
public bool KhachHangDaDatCho(string makhachhang, string matuade)
{
HangDoi hangdoi = db.HangDois.Where(x => x.MaKhacHangs == makhachhang && x.MaTuaDe == matuade).FirstOrDefault();
if (hangdoi != null)
{
return(true);
}
return(false);
}
public bool TangSoLuongDiaDat(string makhachhang, string matuade, int soluong)
{
HangDoi hangdoi = db.HangDois.Where(x => x.MaKhacHangs == makhachhang && x.MaTuaDe == matuade).FirstOrDefault();
try
{
hangdoi.SoLuongDat += soluong;
db.SubmitChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}
public bool ThemHangDoi(eHangDoi newhangDoi)
{
try
{
HangDoi hangdoi = new HangDoi();
hangdoi.MaKhacHangs = newhangDoi.MaKhachHang;
hangdoi.MaTuaDe = newhangDoi.MaTuaDe;
hangdoi.ThuTu = newhangDoi.ThuTu;
hangdoi.SoLuongDat = newhangDoi.SoLuongDat;
db.HangDois.InsertOnSubmit(hangdoi);
db.SubmitChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}
