public bool CapNhatTrangThaiBan(int idBan)
{
try
{
Ban ban = db.Bans.Single(x => x.maBan == idBan);
var listCTHD = db.ChiTietHoaDons.ToList();
if (listCTHD.Count == 0)
{
ban.trangThai = "Trống";
}
else
{
foreach (var item in listCTHD)
{
if (item.maBan == idBan)
{
ban.trangThai = "Có người";
}
else
{
ban.trangThai = "Trống";
}
}
}
db.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
public bool ThemNhanVien(NhanVien nv)
{
try
{
db.NhanViens.InsertOnSubmit(nv);
db.SubmitChanges();
}
catch (Exception)
{
return(false);
}
return(true);
}
public bool Them(LoaiThucPham x)
{
try
{
db.LoaiThucPhams.InsertOnSubmit(x);
db.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
public bool ThemKhuVuc(KhuVuc kv)
{
try
{
db.KhuVucs.InsertOnSubmit(kv);
db.SubmitChanges();
}
catch
{
return(false);
}
return(true);
}
public bool ThemChiTietHoaDon(ChiTietHoaDon ct)
{
try
{
db.ChiTietHoaDons.InsertOnSubmit(ct);
db.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
public bool ThemHoaDon(HoaDon hd)
{
try
{
db.HoaDons.InsertOnSubmit(hd);
db.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
