《自定义GridView分页模板》控制首尾面的启用状态

代码如下：

<PagerTemplate>
    <table style="width: 100%;">
        <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;
                <% //首页/上一页 %>
                <asp:LinkButton ID="lkbFirstPage" runat="server" Text="首页" CausesValidation="false"
                    Enabled="<%# ((GridView)Container.Parent.Parent).PageIndex > 0 %>"
                    CommandArgument="First" CommandName="Page" />
                <asp:LinkButton ID="lkbPrevalPage" runat="server" Text="上一页" CausesValidation="False"
                    Enabled="<%# ((GridView)Container.Parent.Parent).PageIndex > 0 %>"
                    CommandArgument="Prev" CommandName="Page" />
                <% //下一页/尾页 %>
                <asp:LinkButton ID="lkbNextPage" runat="server" Text="下一页" CausesValidation="False" 
                    Enabled="<%# ((GridView)Container.Parent.Parent).PageIndex < ((GridView)Container.Parent.Parent).PageCount - 1  %>"
                    CommandArgument="Next" CommandName="Page" />
                <asp:LinkButton ID="lkbLastPage" runat="server" Text="尾页" CausesValidation="False"
                    Enabled="<%# ((GridView)Container.Parent.Parent).PageIndex < ((GridView)Container.Parent.Parent).PageCount - 1  %>"
                    CommandArgument="Last" CommandName="Page" />
                <% //GO %>
                <asp:TextBox ID="txtGoPage" runat="server" CssClass="TextGo"
                    Enabled="<%# ((GridView)Container.Parent.Parent).PageCount > 1 %>" ></asp:TextBox>
                <ajaxToolkit:FilteredTextBoxExtender ID="fteGoPage" runat="server" 
                    TargetControlID="txtGoPage"
                    FilterType="Custom" ValidChars="1234567890" />
                <asp:LinkButton ID="lkbGoPage" runat="server" Text="GO" CausesValidation="False"
                    Enabled="<%# ((GridView)Container.Parent.Parent).PageCount > 1 %>"
                    CommandArgument="-1" CommandName="Page" />
            </td>
        </tr>
    </table>
</PagerTemplate>