internal string ThemKhuyenMai(KhuyenMai loai)
{
loai.MaKM = TaoMa();
loai.AnhCT = loai.MaKM + "1.jpg";
db.KhuyenMais.Add(loai);
db.SaveChanges();
return(loai.MaKM);
}
internal void EditKhuyenMai(KhuyenMai loai)
{
KhuyenMai lsp = db.KhuyenMais.Find(loai.MaKM);
lsp.TenCT = loai.TenCT;
lsp.NgayBatDau = loai.NgayBatDau;
lsp.NgayKetThuc = loai.NgayKetThuc;
lsp.NoiDung = loai.NoiDung;
db.Entry(lsp).State = EntityState.Modified;
db.SaveChanges();
}
internal void DeleteKhuyenMai(string id)
{
var lst = db.SanPhamKhuyenMais.Where(m => m.MaKM.Equals(id)).ToList();
foreach (var item in lst)
{
DeleteSPKhuyenMai(item.MaKM, item.MaSP);
}
KhuyenMai loai = db.KhuyenMais.Find(id);
db.KhuyenMais.Remove(loai);
db.SaveChanges();
}