private MySqlConnection con = null;

        private int page = 1;

        private int totalPage;

        private int count = 3;

        protected void Page_Load(object sender, EventArgs e)

        {

            

            this.getTotalPage();

            if(!Page.IsPostBack)

            {

                last_Click(null, null);

            }

            if (!IsPostBack)

            {

              

                DrLB();

                DrHD();

                DrPP();

                DrHS();

                DrNMC();

            }

        }

        public void DrLB()  //类别

        {

            DB db = new DB();

            string sqlstr = "SELECT CategoryID,Category FROM Category ";

            DataTable dt = db.reDt(sqlstr);



            LB.DataSource = dt;

            LB.DataBind();

        }

        public void DrPP()  //品牌

        {

            DB db = new DB();

            string sqlstr = "SELECT VarietiesID,Varieties,VCID FROM Varieties ";

            DataTable dt = db.reDt(sqlstr);



            PP.DataSource = dt;

            PP.DataBind();

        }

        public void&n