private void btnTop5BestSeller_Click(object sender, EventArgs e)
        {
            this.pnTop5BestSeller.Visible   = true;
            this.pnTop5Seller.Visible       = false;
            this.pnTop5Customer.Visible     = false;
            this.pnStatisticReveneu.Visible = false;

            this.btnTop5BestSeller.BaseColor   = Color.DarkGray;
            this.btnTop5Seller.BaseColor       = Color.Silver;
            this.btnTop5Customer.BaseColor     = Color.Silver;
            this.btnStatisticReveneu.BaseColor = Color.Silver;

            DataTable dtTop5BestSeller = StatisticController.Top5BestSeller().Tables[0];

            dtGVTop5BestSeller.Rows.Clear();
            foreach (DataRow dr in dtTop5BestSeller.Rows)
            {
                string ItemName  = dr["ItemName"].ToString();
                string ImageTemp = Application.StartupPath.Substring(0, (Application.StartupPath.Length - 10)) + @"\images\imagesProduct\" + dr["Image"].ToString();
                image = Image.FromFile(ImageTemp);
                image = new Bitmap(image, new Size(70, 70));
                string Description = dr["Description"].ToString();
                string SalePrice   = dr["SalePrice"].ToString();
                string Origin      = dr["Orgin"].ToString();
                string SumOrder    = dr["SumOrder"].ToString();
                dtGVTop5BestSeller.Rows.Add(ItemName, image, Description, SalePrice, Origin, SumOrder);
            }
        }