public static DataTable GetUser(int id)
        {
            SqlCommand cmd = new SqlCommand("select * from Users where Id=@id");

            cmd.Parameters.AddWithValue("id", id);

            return(DBLayers.select(cmd));
        }
        //select
        public static DataTable GetUserId(string name, string password)
        {
            SqlCommand cmd = new SqlCommand("select Id from Users where Name=@name and Password=@password");

            cmd.Parameters.AddWithValue("name", name);
            cmd.Parameters.AddWithValue("password", password);

            return(DBLayers.select(cmd));
        }
        public static DataTable GetAllUsers()
        {
            SqlCommand cmd = new SqlCommand("select * from Users");

            return(DBLayers.select(cmd));
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (IsPostBack)
            {
                if (Request.QueryString["id"] != null)
                {
                    int id = Convert.ToInt32(Request.QueryString["id"]);
                    ProductLayer.DeleteProduct(id);
                }
            }
            if (Session["id"] != null)
            {
                SqlCommand cmd = new SqlCommand("select * from Cart c, Product p where c.ProductId = p.Id and c.UserId=@id");
                cmd.Parameters.AddWithValue("id", int.Parse(Request.Cookies["user"].Values["id"]));
                DataTable dt = DBLayers.select(cmd);
                //DataTable dt = ProductLayer.GetAllProducts();

                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    Panel       productPanel = new Panel();
                    ImageButton imageButton  = new ImageButton();
                    Label       lblName      = new Label();
                    Label       lblPrice     = new Label();
                    Label       lblDate      = new Label();
                    Label       lblQuantity  = new Label();
                    imageButton.ImageUrl = dt.Rows[i]["Image"].ToString();
                    imageButton.CssClass = "productImage";
                    //imageButton.PostBackUrl = "~/cart.aspx?id="+dt.Rows[i]["Id"];

                    Button btn = new Button();
                    btn.CssClass    = "cardButton";
                    btn.Text        = "Delete Order";
                    btn.PostBackUrl = "~/purchasedHistory.aspx?id=" + dt.Rows[i]["Id"];

                    lblName.Text     = "Name: " + dt.Rows[i]["Name"].ToString();
                    lblName.CssClass = "productName";

                    lblDate.Text     = "Purchased " + dt.Rows[i]["DatePurchased"].ToString();
                    lblDate.CssClass = "productPrice";

                    lblPrice.Text     = "Price: " + dt.Rows[i]["Price"].ToString() + " $";
                    lblPrice.CssClass = "productPrice";

                    lblQuantity.Text     = "Quantity: " + dt.Rows[i]["Amount"].ToString();
                    lblQuantity.CssClass = "productPrice";

                    productPanel.Controls.Add(imageButton);
                    productPanel.Controls.Add(new Literal {
                        Text = "<br/>"
                    });
                    productPanel.Controls.Add(lblName);
                    productPanel.Controls.Add(new Literal {
                        Text = "<br/>"
                    });
                    productPanel.Controls.Add(lblDate);
                    productPanel.Controls.Add(new Literal {
                        Text = "<br/>"
                    });
                    productPanel.Controls.Add(lblQuantity);
                    productPanel.Controls.Add(new Literal {
                        Text = "<br/>"
                    });
                    productPanel.Controls.Add(lblPrice);
                    productPanel.Controls.Add(new Literal {
                        Text = "<br/>"
                    });
                    productPanel.Controls.Add(btn);
                    productPanel.Controls.Add(new Literal {
                        Text = "<br/>"
                    });

                    pnl_products.Controls.Add(productPanel);
                }
            }
            else
            {
                Response.Redirect("~/login.aspx");
            }
        }