自定义分页

前台：

            <tr>
                <td align="center">
                    <asp:Panel ID="Panel3" runat="server" style="margin-left: 0px" Width="60%" 
                        BackColor="#507CD1" Height="19px">
                        <table style="height: 21px">
                            <tr>
                                <td valign="middle">
                                    <asp:LinkButton ID="LinkButton2" runat="server" onclick="LinkButton2_Click" ForeColor="White" 
                                        >首页</asp:LinkButton>
                                    &nbsp;&nbsp;<asp:LinkButton ID="LinkButton3" runat="server" 
                                        onclick="LinkButton3_Click" ForeColor="White" >上一页</asp:LinkButton>
                                    &nbsp;&nbsp;<asp:LinkButton ID="LinkButton4" runat="server" 
                                        onclick="LinkButton4_Click" ForeColor="White" >下一页</asp:LinkButton>
                                    &nbsp;
                                    <asp:LinkButton ID="LinkButton5" runat="server" onclick="LinkButton5_Click" ForeColor="White" 
                                        >尾页</asp:LinkButton>
                                    &nbsp;&nbsp;
                                    <asp:Label ID="Label4" runat="server" CssClass="label_style" ForeColor="White"></asp:Label>
                                    <asp:Label ID="Label5" runat="server" CssClass="label_style" ForeColor="White"></asp:Label>
                                    <asp:Label ID="Label6" runat="server" CssClass="label_style" ForeColor="White"></asp:Label>
                                </td>
                            </tr>
                        </table>
                        </asp:Panel>
                </td>
            </tr>

后台：

           数据绑定：private void GridView_Bind()
        {
            string title = TextBox1.Text;
            string sql = "select a.Title,b.AwordName,c.Itemid,c.Userid,c.Score,c.Flag from X186_SecKillActivity as       a,X186_ActiviryAword as b,X186_ActivityResult as c where a.Id=c.Aid and c.AwordID=b.Awordid";
            if (title != "")
            {
                sql += " and a.Title like '%" + title + "%'";
            }
            sql += " order by c.Aid,c.Itemid,c.Score";
            DataTable dt = DataAccess.GetDataTable(sql);

            PagedDataSource ps = new PagedDataSource();//生成PageDataSource的实例用于分页
            ps.DataSource = dt.DefaultView;
            ps.AllowPaging = true;
            ps.PageSize = 8;
            int CurrentPage = Convert.ToInt32(Label4.Text);
            ps.CurrentPageIndex = CurrentPage - 1;
            if (ps.PageCount <= 1)
            {
                this.Panel3.Visible = false;
            }
            else
            {
                this.Panel3.Visible = true;
                if (CurrentPage == 1)
                {
                    LinkButton2.Enabled = false;
                    LinkButton3.Enabled = false;
                    LinkButton4.Enabled = true;
                    LinkButton5.Enabled = true;
                }
                if (CurrentPage == ps.PageCount)
                {
                    LinkButton2.Enabled = true;
                    LinkButton3.Enabled = true;
                    LinkButton4.Enabled = false;
                    LinkButton5.Enabled = false;
                }
                if (CurrentPage > 1 && CurrentPage < ps.PageCount)
                {
                    LinkButton2.Enabled = true;
                    LinkButton3.Enabled = true;
                    LinkButton4.Enabled = true;
                    LinkButton5.Enabled = true;
                }
                Label5.Text = Convert.ToString(ps.PageCount);
                Label6.Text = Label4.Text + "/" + Label5.Text + "页";
            }
            this.GridView1.DataSource = ps;
            this.GridView1.DataBind();
        }

事件：

             /// <summary>
        /// 首页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void LinkButton2_Click(object sender, EventArgs e)
        {
            Label4.Text = "1";
            GridView_Bind();
        }

        /// <summary>
        /// 上一页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void LinkButton3_Click(object sender, EventArgs e)
        {
            Label4.Text = Convert.ToString(Convert.ToInt32(Label4.Text) - 1);
            GridView_Bind();
        }

        /// <summary>
        /// 下一页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void LinkButton4_Click(object sender, EventArgs e)
        {
            Label4.Text = Convert.ToString(Convert.ToInt32(Label4.Text) + 1);
            GridView_Bind();
        }

        /// <summary>
        /// 尾页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void LinkButton5_Click(object sender, EventArgs e)
        {
            Label4.Text = Label5.Text;
            GridView_Bind();
        }

初始化：

             if (!IsPostBack)
            {
                this.Label4.Text = "1";
                this.Label4.Visible = false;
                this.Label5.Visible = false;
                GridView_Bind();
            }