protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            BookBL bookBL     = new BookBL();
            string search_Str = Request.QueryString["search"].ToString();//查詢字串
            Label5.Text = search_Str;
            Label3.Text = "0";
            string activePage = Request.QueryString["page"] == null ? "1" : Request.QueryString["page"];
            string type       = Request.QueryString["type"].ToString();


            switch (Request.QueryString["type"])
            {
            //書籍名稱查詢
            case "1":
                Label3.Text = bookBL.BookNameSearchCount(search_Str);
                bookBL.Pages(Panel1, activePage, Convert.ToInt32(Label3.Text), type, search_Str);
                DataList1.DataSource = bookBL.BookNameSearch(search_Str, Convert.ToInt32(activePage));
                DataList1.DataBind();

                break;

            //作者書籍查詢
            case "2":
                Label3.Text = bookBL.BookAuthorSearchCount(search_Str);
                bookBL.Pages(Panel1, activePage, Convert.ToInt32(Label3.Text), type, search_Str);
                DataList1.DataSource = bookBL.BookAuthorSearch(search_Str, Convert.ToInt32(activePage));
                DataList1.DataBind();

                break;

            //出版社書籍查詢
            case "3":
                Label3.Text = bookBL.BookPublisherSearchCount(search_Str);
                bookBL.Pages(Panel1, activePage, Convert.ToInt32(Label3.Text), type, search_Str);
                DataList1.DataSource = bookBL.BookPublisherSearch(search_Str, Convert.ToInt32(activePage));
                bookBL.BookPublisherSearch(search_Str, Convert.ToInt32(activePage));
                DataList1.DataBind();

                break;

            //書籍ISBN查詢
            case "4":
                Label3.Text = bookBL.BookISBNSearchCount(search_Str);
                bookBL.Pages(Panel1, activePage, Convert.ToInt32(Label3.Text), type, search_Str);
                DataList1.DataSource = bookBL.BookISBNSearch(search_Str, Convert.ToInt32(activePage));
                DataList1.DataBind();

                break;
            }
            if (Label3.Text == "0")
            {
                Label4.Text = "查詢不到您的資料!";
            }
            else
            {
                Label4.Visible = false;
            }
        }
        catch (Exception ex)
        {
            ex.ToString();
        }
    }