public IActionResult DonMua(string tinhtrang) { if (tinhtrang == null || tinhtrang == "") { tinhtrang = "Chưa xử lý"; } else { switch (tinhtrang) { case "danggiao": tinhtrang = "Đang giao"; break; case "dangxuly": tinhtrang = "Đang xử lý"; break; case "daxuly": tinhtrang = "Đã xử lý"; break; case "dahuy": tinhtrang = "Đã huỷ"; break; } } string sessionval = HttpContext.Session.GetString("TenDangNhap"); TaiKhoanBUS taikhoanbus = new TaiKhoanBUS(); TaiKhoan taikhoan = new TaiKhoan(); DonHangBUS donhangbus = new DonHangBUS(); List <DonHang> listdonhang = new List <DonHang>(); List <ChiTietDonHang> listchitietdonhang = new List <ChiTietDonHang>(); if (sessionval != "" && sessionval != null) { taikhoan = taikhoanbus.CheckTaiKhoan(sessionval); listdonhang = donhangbus.GetDonHang(taikhoan.TenDangNhap, tinhtrang); listchitietdonhang = donhangbus.GetChiTietDonHang(taikhoan.TenDangNhap, tinhtrang); } else { taikhoan = null; listdonhang = null; } HangSanPhamBUS hangsanphambus = new HangSanPhamBUS(); List <HangSanPham> hang = hangsanphambus.GetHangSanPhams(); ViewBag.Hang = hang; ViewBag.TaiKhoan = taikhoan; ViewBag.ChiTietDonHang = listchitietdonhang; return(View(listdonhang)); }