protected void Page_Load(object sender, EventArgs e)
        {
            EClient user = (EClient)Session["user"];

            if (user != null)
            {
                welc.Text    = "Hoşgeldin " + user.name + " !  İşte Yemeklerimiz";
                welc.Visible = true;
                if (!IsPostBack)
                {
                    ProductGrid.DataSource = BLLProduct.SelectProduct_Category(1);
                    using (System.IO.StreamWriter file =
                               new System.IO.StreamWriter(submittedFilePath, true))
                    {
                        file.WriteLine("[" + DateTime.Now + "] DB PRODUCTS SELECTED BY CATEGORY");
                    }
                    ProductGrid.DataBind();
                    aperatifGrid.DataSource = BLLProduct.SelectProduct_Category(2);
                    using (System.IO.StreamWriter file =
                               new System.IO.StreamWriter(submittedFilePath, true))
                    {
                        file.WriteLine("[" + DateTime.Now + "] DB PRODUCTS SELECTED BY CATEGORY");
                    }
                    aperatifGrid.DataBind();
                    IcecekGrid.DataSource = BLLProduct.SelectProduct_Category(3);
                    using (System.IO.StreamWriter file =
                               new System.IO.StreamWriter(submittedFilePath, true))
                    {
                        file.WriteLine("[" + DateTime.Now + "] DB PRODUCTS SELECTED BY CATEGORY");
                    }
                    IcecekGrid.DataBind();
                    tatlıGrid.DataSource = BLLProduct.SelectProduct_Category(4);
                    using (System.IO.StreamWriter file =
                               new System.IO.StreamWriter(submittedFilePath, true))
                    {
                        file.WriteLine("[" + DateTime.Now + "] DB PRODUCTS SELECTED BY CATEGORY");
                    }
                    tatlıGrid.DataBind();
                }
            }
            else
            {
                welc.Visible = false;
                Response.Redirect("~/Default.aspx");
            }
        }