private void Load()
        {
            using (var BLT = new BanLapTopEntities())
            {
                var User = (from n in BLT.TaiKhoans
                            where n.IdNguoiDung == IdAdmin
                            select n).FirstOrDefault();

                if (User != null)
                {
                    ImgAd.ToolTip     = User.HoTen;
                    txtNameUsers.Text = User.HoTen;

                    byte[] bitImage = User.Avatar;


                    if (bitImage != null)
                    {
                        ImgAd.Fill = new ImageBrush(ToImage(bitImage));
                    }
                    else
                    {
                        ImgAd.Fill = new ImageBrush(new BitmapImage(new Uri("pack://application:,,,/Image/User.png", UriKind.Absolute)));
                    }
                }
            }
            TongDoanhThu Pro = new TongDoanhThu();

            txtTitle.Text = "Thống Kê";
            UserView.Children.Clear();
            UserView.Children.Add(Pro);
        }
        private void Home_Click(object sender, RoutedEventArgs e)
        {
            TongDoanhThu Pro = new TongDoanhThu();

            txtTitle.Text = "Thống Kê";
            UserView.Children.Clear();
            UserView.Children.Add(Pro);
        }