private void simpleButton1_Click(object sender, EventArgs e)

        {

            if (xpPageSelector1.CurrentPage == ) return;

            xpPageSelector1.CurrentPage--;

            UpdateLabel();

        }

        private void UpdateLabel()

        {

            labelControl1.Text = string.Format("第 [{0}]页   共 【{1}】页", xpPageSelector1.CurrentPage+,

                xpPageSelector1.PageCount);

        }

        private void simpleButton2_Click(object sender, EventArgs e)

        {

            if (xpPageSelector1.CurrentPage == xpPageSelector1.PageCount - ) return;

            xpPageSelector1.CurrentPage++;

            UpdateLabel();

        }