//============= Xử lý Chức năng ========
public XL_NGUOI_DUNG_DANG_NHAP Dang_nhap(string Ten_Dang_nhap, string Mat_khau)
{
var Nguoi_dung_Dang_nhap = (XL_NGUOI_DUNG_DANG_NHAP)null;
var Nguoi_dung = Danh_sach_Nguoi_dung.FirstOrDefault(
x => x.GetAttribute("Ten_Dang_nhap") == Ten_Dang_nhap && x.GetAttribute("Mat_khau") == Mat_khau);
if (Nguoi_dung != null)
{
var DS_Nhom_San_pham = (XmlElement)Nguoi_dung.GetElementsByTagName("Danh_sach_Nhom_San_pham")[0];
var Danh_sach_Nhom_San_pham_cua_Nguoi_dung = XL_NGHIEP_VU.Tao_Danh_sach(DS_Nhom_San_pham, "Nhom_San_pham");
var Danh_sach_San_pham_cua_Nguoi_dung = Danh_sach_San_pham.FindAll(
x => Danh_sach_Nhom_San_pham_cua_Nguoi_dung.Any(Nhom => Nhom.GetAttribute("Ma_so") == x.SelectSingleNode("Nhom_San_pham/@Ma_so").Value));
var Doanh_thu = Danh_sach_Nhom_San_pham_cua_Nguoi_dung.Sum(x => long.Parse(x.GetAttribute("Doanh_thu")));
// Thống tin Online
Nguoi_dung_Dang_nhap = new XL_NGUOI_DUNG_DANG_NHAP();
Nguoi_dung_Dang_nhap.Ho_ten = Nguoi_dung.GetAttribute("Ho_ten");
Nguoi_dung_Dang_nhap.Ma_so = Nguoi_dung.GetAttribute("Ma_so");
Nguoi_dung_Dang_nhap.Doanh_thu = Doanh_thu;
Nguoi_dung_Dang_nhap.Cua_hang = Cua_hang;
Nguoi_dung_Dang_nhap.Danh_sach_San_pham = Danh_sach_San_pham_cua_Nguoi_dung;
Nguoi_dung_Dang_nhap.Danh_sach_Nhom_San_pham = Danh_sach_Nhom_San_pham_cua_Nguoi_dung;
Nguoi_dung_Dang_nhap.Danh_sach_San_pham_Xem = Nguoi_dung_Dang_nhap.Danh_sach_San_pham;
HttpContext.Current.Session["Nguoi_dung_Dang_nhap"] = Nguoi_dung_Dang_nhap;
}
return(Nguoi_dung_Dang_nhap);
}
//============= Xử lý Chức năng ========
public XL_NGUOI_DUNG_DANG_NHAP Dang_nhap(string Ten_Dang_nhap, string Mat_khau)
{
var Nguoi_dung_Dang_nhap = (XL_NGUOI_DUNG_DANG_NHAP)null;
var Nguoi_dung = Danh_sach_Nguoi_dung.FirstOrDefault(
x => x.GetAttribute("Ten_Dang_nhap") == Ten_Dang_nhap && x.GetAttribute("Mat_khau") == Mat_khau);
if (Nguoi_dung != null)
{
var DS_Nhom_Lap_top = (XmlElement)Nguoi_dung.GetElementsByTagName("Danh_sach_Nhom_Lap_top")[0];
var Danh_sach_Nhom_Lap_top_cua_Nguoi_dung = XL_NGHIEP_VU.Tao_Danh_sach(DS_Nhom_Lap_top, "Nhom_Lap_top");
var Danh_sach_Lap_top_cua_Nguoi_dung = Danh_sach_Lap_top.FindAll(
x => Danh_sach_Nhom_Lap_top_cua_Nguoi_dung.Any(Nhom => Nhom.GetAttribute("Ma_so") == x.SelectSingleNode("Nhom_Lap_top/@Ma_so").Value));
var Doanh_thu = Danh_sach_Nhom_Lap_top_cua_Nguoi_dung.Sum(Nhom_Lap_top => long.Parse(Nhom_Lap_top.GetAttribute("Doanh_thu")));
// Thống tin Online
Nguoi_dung_Dang_nhap = new XL_NGUOI_DUNG_DANG_NHAP();
Nguoi_dung_Dang_nhap.Doanh_thu = Doanh_thu;
Nguoi_dung_Dang_nhap.Thong_bao = $"Doanhthu: { Nguoi_dung_Dang_nhap.Doanh_thu}" + "$<br />";
Nguoi_dung_Dang_nhap.Danh_sach_Lap_top = Danh_sach_Lap_top_cua_Nguoi_dung;
Nguoi_dung_Dang_nhap.Danh_sach_Nhom_Lap_top = Danh_sach_Nhom_Lap_top_cua_Nguoi_dung;
Nguoi_dung_Dang_nhap.Danh_sach_Lap_top_Xem = Nguoi_dung_Dang_nhap.Danh_sach_Lap_top;
HttpContext.Current.Session["Nguoi_dung_Dang_nhap"] = Nguoi_dung_Dang_nhap;
}
return(Nguoi_dung_Dang_nhap);
}