普通分页

        #region 全局变量 PageIndex PageSize Conntion Count
        MySqlHelp Sqldb = new MySqlHelp();
        QueryHelp db = new QueryHelp();
        // 页数
        public int PageIndex = 1;
        //条数
        public int PageSize = 1000;
        //链接语句
        public string Conntion = "server=192.168.1.175;user id=root;password=123456;database=txst;";
        public int Count { get; set; }
        #endregion

        #region 设置按钮首页，尾页，下一页，上一页的可用和不可用属性
        /// <summary>
        ///DownPag.IsEnabled 上一页
        ///UpPag.IsEnabled 下一页
        ///onePag.IsEnabled 首页
        ///Listpag.IsEnabled 尾页
        ///<param name="state"></param>
        void SetState(bool state)
        {
            DownPag.IsEnabled = state;
            UpPag.IsEnabled = state;
            onePag.IsEnabled = state;
            Listpag.IsEnabled = state;
        }
        #endregion

        #region 加载
        public Selectpag()
        {
            InitializeComponent();
            string safeSql = "TableTestSelect";
            Select_pag_pag.DataContext = db.ToList<tabletset>(safeSql, Conntion);
            Count = GeiCountPage();
            UpPag.IsEnabled = false;
            onePag.IsEnabled = false;
        }
        #endregion

        #region 首页
        private void onePagClick(object sender, RoutedEventArgs e)
        {
            PageIndex = 1;
            List<DbParameter> listpar = new List<DbParameter>{
               new MySqlParameter("?pageIndex",PageIndex),
               new MySqlParameter("?pageSize",PageSize)
            };
            string safeSql = "getpager";
            Select_pag_pag.DataContext = db.ToList<tabletset>(safeSql, listpar, Conntion);
        }
        #endregion

        #region 尾页
        private void ListpagClick(object sender, RoutedEventArgs e)
        {
            PageIndex = GeiCountPage();
            List<DbParameter> listpar = new List<DbParameter>{
               new MySqlParameter("?pageIndex",PageIndex),
               new MySqlParameter("?pageSize",PageSize)
            };
            string safeSql = "getpager";
            Select_pag_pag.DataContext = db.ToList<tabletset>(safeSql, listpar, Conntion);
        }
        #endregion

        #region 上一页
        private void UpPagClick(object sender, RoutedEventArgs e)
        {
            SetState(true);
            PageIndex--;
            if (PageIndex <= 1)
            {
                PageIndex = 1;
                UpPag.IsEnabled = false;
                onePag.IsEnabled = false;
            }
            List<DbParameter> listpar = new List<DbParameter>{
               new MySqlParameter("?pageIndex",PageIndex),
               new MySqlParameter("?pageSize",PageSize)
            };
            string safeSql = "getpager";
            Select_pag_pag.DataContext = db.ToList<tabletset>(safeSql, listpar, Conntion);
        }
        #endregion

        #region 下一页
        private void DownPag_Click(object sender, RoutedEventArgs e)
        {
            SetState(true);
            PageIndex++;
            if (PageIndex >= Count)
            {
                PageIndex = Count;
                DownPag.IsEnabled = false;
                Listpag.IsEnabled = false;
            }
            List<DbParameter> listpar = new List<DbParameter>{
            new MySqlParameter("?pageIndex",PageIndex),
            new MySqlParameter("?pageSize",PageSize)
            };
            string safeSql = "getpager";
            Select_pag_pag.DataContext = db.ToList<tabletset>(safeSql, listpar, Conntion);
        }
        #endregion

        #region 测试表
        class tabletset
        {
            public int ID { get; set; }
            public string NameTest { get; set; }
            public string PasswordTset { get; set; }
        }
        #endregion

        #region 总条数
        private int GeiCountPage()
        {
            string cmdText = "tableByPager";
            List<DbParameter> ListPar = new List<DbParameter>
            {
                new MySqlParameter("?Count",DbType.Int32){Direction= ParameterDirection.Output}
            };
            Sqldb.ExecuteNonQuery(cmdText, ListPar, Conntion);
            int PageCount = int.Parse(ListPar[0].Value.ToString());
            if (PageCount % PageSize == 0)
            {
                PageCount = PageCount / PageSize;
            }
            else
            {
                PageCount = (PageCount / PageSize) + 1;
            }
            return PageCount;
        }
        #endregion