protected void ThemTypeFood(object sender, EventArgs e)
        {
            string   sTypeName = type_name.Text;
            int      sTypePost = Int32.Parse(type_pos.Text.ToString());
            string   sTypeImg  = type_img.FileName;
            int      sStatus   = Convert.ToInt32(listStatus.SelectedValue);
            string   sUsername = Username.Text;
            DateTime modified  = DateTime.Parse(DateTime.Now.ToString());
            bool     sXoa      = false;
            FoodType foodtype  = new FoodType(sTypeName, sTypePost, sTypeImg, sStatus, sUsername, modified, sXoa);

            if (foodtype.addTypeFood())
            {
                if (type_img.HasFile)
                {
                    string path = Server.MapPath("~/admin/img/" + type_img.FileName);
                    type_img.SaveAs(path);
                }
                type_name.Text           = "";
                type_pos.Text            = "";
                listStatus.SelectedIndex = 0;
                Username.Text            = "";
                Session["add_typefood"]  = "success";
                Response.Redirect("ThemLoaiSanPham.aspx");
            }
            else
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMess", "swal.fire({title: 'Add type food fail!',type: 'warning'});", true);
            }
        }