在官网找到的。在这里做个备注。

private void simpleButton1_Click(object sender, EventArgs e)        {            if (xpPageSelector1.CurrentPage == 0) return;            xpPageSelector1.CurrentPage--;            UpdateLabel();        }        private void UpdateLabel()        {            labelControl1.Text = string.Format("第 [{0}]页   共 【{1}】页", xpPageSelector1.CurrentPage+1,                xpPageSelector1.PageCount);        }        private void simpleButton2_Click(object sender, EventArgs e)        {            if (xpPageSelector1.CurrentPage == xpPageSelector1.PageCount - 1) return;            xpPageSelector1.CurrentPage++;            UpdateLabel();        }