注:封装数据绑定控件（如 System.Web.UI.WebControls.DataGrid、System.Web.UI.WebControls.GridView、System.Web.UI.WebControls.DetailsView     //     和 System.Web.UI.WebControls.FormView）的与分页相关的属性，以允许该控件执行分页操作。无法继承此类。 DataList public DataTable GetDataSet(string sql)     {         SqlConnection conn = this.getconn();         SqlDataAdapter sdr = new SqlDataAdapter(sql, conn);         DataSet rs = new DataSet();         sdr.Fill(rs);         return rs.Tables[0];     }     public PagedDataSource PageDataListBind(string sql, int currentPage, int PageSize)     {         PagedDataSource pds = new PagedDataSource();         pds.DataSource = GetDataSet(sql).DefaultView;         pds.AllowPaging = true;         pds.PageSize = PageSize;         pds.CurrentPageIndex = currentPage - 1;         return pds;     }   DB db = new DB();     PagedDataSource pds = new PagedDataSource();     protected void Page_Load(object sender, EventArgs e)     {         if (!IsPostBack)         {             bind();         }     }     public void bind()     {         pds = db.PageDataListBind("select * from tb_word",Convert.ToInt32(lblCurrentPage.Text),2);           lnkBtnFirst.Enabled = true;         lnkBtnLast.Enabled = true;         lnkBtnPrevious.Enabled = true;         lnkBtnNext.Enabled = true;         if (lblCurrentPage.Text == "1")         {             lnkBtnFirst.Enabled = false;             lnkBtnPrevious.Enabled = false;         }         if(lblCurrentPage.Text==pds.PageCount.ToString())         {             lnkBtnLast.Enabled = false;             lnkBtnNext.Enabled = false;         }         lblSumPage.Text = pds.PageCount.ToString();         DataList1.DataSource = pds;         DataList1.DataKeyField = "ID";         DataList1.DataBind();     }     protected void lnkBtnFirst_Click(object sender, EventArgs e)     {         lblCurrentPage.Text = "1";         bind();     }     protected void lnkBtnPrevious_Click(object sender, EventArgs e)     {         lblCurrentPage.Text = (Convert.ToInt32(lblCurrentPage.Text) - 1).ToString();         bind();     }     protected void lnkBtnNext_Click(object sender, EventArgs e)     {         lblCurrentPage.Text = (Convert.ToInt32(lblCurrentPage.Text) + 1).ToString();         bind();     }     protected void lnkBtnLast_Click(object sender, EventArgs e)     {         lblCurrentPage.Text = lblSumPage.Text;         bind();     } <form id="form1" runat="server">     <div>         <asp:DataList ID="DataList1" runat="server">         <ItemTemplate>             <table border="1">                 <tr>                     <td>ID</td><td>标题</td><td>内容</td>                 </tr>                 <tr>                     <td><%#Eval("ID") %></td>                     <td><%#Eval("Title") %></td>                     <td><%#Eval("Content") %></td>                 </tr>             </table>         </ItemTemplate>         </asp:DataList>         当前页码为［<asp:Label ID="lblCurrentPage" runat="server" Text="1"></asp:Label>］页                 总页码［<asp:Label                     ID="lblSumPage" runat="server" Text="0"></asp:Label>］页                 <asp:LinkButton ID="lnkBtnFirst" runat="server" Font-Underline="False" OnClick="lnkBtnFirst_Click" > 第一页 </asp:LinkButton>                 <asp:LinkButton ID="lnkBtnPrevious" runat="server" Font-Underline="False" OnClick="lnkBtnPrevious_Click" > 上一页 </asp:LinkButton>                 <asp:LinkButton ID="lnkBtnNext" runat="server" Font-Underline="False" OnClick="lnkBtnNext_Click" > 下一页 </asp:LinkButton>                 <asp:LinkButton ID="lnkBtnLast" runat="server" Font-Underline="False" OnClick="lnkBtnLast_Click"> 末一页 </asp:LinkButton>     </div>     </form>