GridView的翻页

网上找的资料
属性
AllowPaging="True" PageSize="15"
前台

<PagerTemplate>
    <table width="100%" style="font-size:12px;">
        <tr>
        <td style="text-align: right">
            第<asp:Label ID="lblPageIndex" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>'></asp:Label>页
            /共<asp:Label ID="lblPageCount" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageCount %>'></asp:Label>页&nbsp;&nbsp;
            <asp:LinkButton ID="btnFirst" runat="server" CausesValidation="False"
                CommandName="Page" Text="首页" CommandArgument="first" OnClick="btnFirst_Click">
            </asp:LinkButton>
            <asp:LinkButton ID="btnPrev" runat="server" CausesValidation="False"
                CommandName="Page" Text="上一页" CommandArgument="prev" onclick="btnFirst_Click">
            </asp:LinkButton>
            <asp:LinkButton ID="btnNext" runat="server" CausesValidation="False"
                CommandName="Page" Text="下一页" CommandArgument="next" OnClick="btnFirst_Click">
            </asp:LinkButton>
            <asp:LinkButton ID="btnLast" runat="server" CausesValidation="False"
                CommandName="Page" Text="尾页" CommandArgument="last" OnClick="btnFirst_Click">
            </asp:LinkButton>
            <asp:TextBox ID="txtNewPageIndex" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>'
                Width="20px" AutoPostBack="True" 
                ontextchanged="txtNewPageIndex_TextChanged"></asp:TextBox>
            <asp:LinkButton ID="btnGo" runat="server" CausesValidation="False" CommandArgument="go"
                CommandName="Page" Text="GO" OnClick="btnFirst_Click"></asp:LinkButton>
        </td>
        </tr>
    </table>
</PagerTemplate>

后台

protected void btnFirst_Click(object sender, EventArgs e)
        {
            try
            {
                switch (((LinkButton)sender).CommandArgument.ToString())
                {
                    case "first":
                        gdvck.PageIndex = 0;
                        break;
                    case "last":
                        gdvck.PageIndex = gdvck.PageCount - 1;
                        break;
                    case "prev":
                        gdvck.PageIndex = gdvck.PageIndex - 1;
                        break;
                    case "next":
                        gdvck.PageIndex = gdvck.PageIndex + 1;
                        break;
                    case "go":
                        {
                            GridViewRow gvr = gdvck.BottomPagerRow;
                            TextBox temp = (TextBox)gvr.FindControl("txtNewPageIndex");
                            int res = Convert.ToInt32(temp.Text.ToString());
                            gdvck.PageIndex = res - 1;
                        }
                        break;
                }
                ImageButton1_Click(null, null);  //重绑
            }
            catch (Exception ex)
            {
                lblmessage.Text = "请输入1-9999自然数 -" + ex.Message.ToString();
            }
        }

        protected void txtNewPageIndex_TextChanged(object sender, EventArgs e)
        {
            try
            {
                GridViewRow gvr = gdvck.BottomPagerRow;
                TextBox temp = (TextBox)gvr.FindControl("txtNewPageIndex");
                int res = Convert.ToInt32(temp.Text.ToString());
                gdvck.PageIndex = res - 1;
                ImageButton1_Click(null, null);
            }
            catch (Exception ex)
            {
                lblmessage.Text = "请输入1-9999自然数 -" + ex.Message.ToString();
            }
        }