DataList控件分页用法

asp.net控件DataList分页参考方法：

protected void Page_Load(object sender, EventArgs e)
{
  if (!IsPostBack)
  {
   ViewState["Page"] = 0;
   Bangding();
  }
}
//绑定数据
public void Bangding()
{
  PagedDataSource pds = new PagedDataSource();
  pds.DataSource = MerchandiseManager.GetList("");
  pds.AllowPaging = true;
  pds.PageSize = 5; //每页记录数
  pds.CurrentPageIndex = Pager;//当前页
  lblCurrPage.Text = "第" + (pds.CurrentPageIndex + 1).ToString() + "页 共" + pds.PageCount.ToString() + "页";
  SetEnable(pds);//上下页按钮的有效壮态
  dlistMerchand.DataSource = pds;
  dlistMerchand.DataBind();
}
private int Pager
{
  get
  {
   return (int)ViewState["Page"];
  }
  set
  {
   ViewState["Page"] = value;
  }
}
//下一页
protected void LinkButton1_Click(object sender, EventArgs e)
{
  Pager++;
  Bangding();
}
//上一页
protected void LinkButton2_Click(object sender, EventArgs e)
{
  Pager--;
  Bangding();
}
//上下页按钮的有效状态
private void SetEnable(PagedDataSource pds)
{
  btnShang.Enabled = true;
  btnXia.Enabled = true;
  if (pds.IsFirstPage)
  {
   btnShang.Enabled = false;
  }
  if (pds.IsLastPage)
  {
   btnXia.Enabled = false;
  }
}

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