C#简单的通用基础字典实现方法

        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btReflesh_Click(object sender, EventArgs e)
        {
            LoadData();
        }

        /// <summary>
        /// 下一页
        /// </summary>
        public void NextPage()
        {
            this._btNext.PerformClick();
        }

        /// <summary>
        /// 下一页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btNext_Click(object sender, EventArgs e)
        {
            _PageIndex++;
            LoadData();
        }

        /// <summary>
        /// 上一页
        /// </summary>
        public void UpPage()
        {
            this._btPreview.PerformClick();
        }

        /// <summary>
        /// 上一页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btUp_Click(object sender, EventArgs e)
        {