public void DataListBind()                                          //将数据绑定到Datalist控件
    {
        string connectString = @"Data Source=.;Initial Catalog=MyWeb;User ID=sa;Password=123456";
        SqlConnection conn = new SqlConnection(connectString);
        string sqlStr = "select * from Message order by no desc";
        SqlDataAdapter sda = new SqlDataAdapter(sqlStr, conn);
        DataSet ds = new DataSet();
        sda.Fill(ds, "pro");
        //创建数据源
        PagedDataSource pds = new PagedDataSource();
        pds.DataSource = ds.Tables["pro"].DefaultView;
        //允许分页
        pds.AllowPaging = true;
        //设置每页显示记录数
        pds.PageSize = 5;
        //获取总页数
        pageCount = pds.PageCount;
        this.lb_PageCount.Text = pageCount.ToString();
        pds.CurrentPageIndex = currentPage - 1;
        //当前页
        this.lb_CurrentPage.Text = Convert.ToString(currentPage);
        //数据绑定
        this.dl_ShowMessage.DataSource = pds;
        this.dl_ShowMessage.DataBind();
    }
    /// <summary>
    /// 上一页　
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void PreviousLB_Click(object sender, EventArgs e)
    {
        if (this.lb_CurrentPage.Text != "1")
        {
            currentPage = int.Parse(this.lb_CurrentPage.Text) - 1;
            this.lb_CurrentPage.Text = currentPage.ToString();
            DataListBind();
        }
    }
    /// <summary>
    /// 下一页
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void NextLB_Click(object sender, EventArgs e)
    {
        if (this.lb_PageCount.Text == this.lb_CurrentPage.Text)
        {
        }
        else
        {
            currentPage = int.Parse(this.lb_CurrentPage.Text) + 1;
            this.lb_CurrentPage.Text = currentPage.ToString();
            DataListBind();
        }
    }
    /// <summary>
    /// 第一页
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void FirstLB_Click(object sender, EventArgs e)
    {
        if (this.lb_CurrentPage.Text == "1")
        {

        }
        else
        {
            currentPage = 1;
            DataListBind();
        }
    }
    /// <summary>
    /// 最后一页
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void EndLB_Click(object sender, EventArgs e)
    {
        this.lb_CurrentPage.Text = this.lb_PageCount.Text;
        currentPage = int.Parse(this.lb_CurrentPage.Text);
        DataListBind();
    }

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探讨


分页可以用AspNetPager，示例在这里：http://webdiyer.com/AspNetPagerDemo/default.aspx


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