<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" OnPageIndexChanging="GridView2_PageIndexChanging"        AllowPaging="true" PageSize="2" PageIndex="1">                <Columns>            <asp:BoundField DataField="ID" HeaderText="ID" />            <asp:BoundField DataField="Name" HeaderText="姓名" />            <asp:BoundField DataField="Code" HeaderText="编码" />            <asp:BoundField DataField="Level" HeaderText="等级" />        </Columns>        <PagerTemplate>            当前第:            <%--((GridView)Container.NamingContainer)就是为了得到当前的GridView控件--%>            <asp:Label ID="LabelCurrentPage" runat="server" Text="<%# ((GridView)Container.NamingContainer).PageIndex + 1 %>"></asp:Label>            页/共:            <asp:Label ID="LabelPageCount" runat="server" Text="<%# ((GridView)Container.NamingContainer).PageCount %>"></asp:Label>            页            <%--  分页是首分页时，首页按钮不显示；上一页，下一页；分页是尾页，则尾页按钮不显示                CommandArgument通常只在设置CommandName属性时使用，作为指定补充 CommandName 属性的参数，提供要执行的Command 事件处理程序的可选参数。例如 CommandName 属性设置为 Sort 并将 CommandArgument 属性设置为 Ascending，以指定按升序排序的命令。                             --%>                         <%-- 首页按钮，对应了自带识别的命令参数CommandArgument--%>            <asp:LinkButton ID="LinkButtonFirstPage" runat="server" CommandArgument="First" CommandName="Page"                Visible=‘<%# GridView2.PageIndex != 0 %>‘>首页</asp:LinkButton>            <asp:LinkButton ID="LinkButtonPreviousPage" runat="server" CommandArgument="Prev"                CommandName="Page" Visible=‘<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>‘>上一页</asp:LinkButton>            <asp:LinkButton ID="LinkButtonNextPage" runat="server" CommandArgument="Next" CommandName="Page"                Visible=‘<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>‘>下一页</asp:LinkButton>            <asp:LinkButton ID="LinkButtonLastPage" runat="server" CommandArgument="Last" CommandName="Page"                Visible=‘<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>‘>尾页</asp:LinkButton>            转到第            <asp:TextBox ID="txtNewPageIndex" runat="server" Width="20px" />页            <%--这里将CommandArgument即使点击该按钮e.newIndex 值为3 --%>            <asp:LinkButton ID="btnGo" runat="server" CausesValidation="False" CommandArgument="-1"                CommandName="Page" Text="GO" />        </PagerTemplate>    </asp:GridView>

protected void GridView2_PageIndexChanging(object sender, GridViewPageEventArgs e)    {                                        int newPageIndex = 0;        if (e.NewPageIndex < 0)        {            //点击了Go按钮            TextBox txtNewPageIndex = null;            //GridView较DataGrid提供了更多的API，获取分页块可以使用BottomPagerRow 或者TopPagerRow，当然还增加了HeaderRow和FooterRow            GridViewRow pagerRow = GridView2.BottomPagerRow;            if (pagerRow != null)            {                //得到text控件                txtNewPageIndex = pagerRow.FindControl("txtNewPageIndex") as TextBox;            }            if (txtNewPageIndex != null)            {                //得到索引                newPageIndex = int.Parse(txtNewPageIndex.Text) - 1;            }                    }        else        {            //点击了其他的按钮            newPageIndex = e.NewPageIndex;        }        //防止新索引溢出        newPageIndex = newPageIndex < 0 ? 0 : newPageIndex;        newPageIndex = newPageIndex >= GridView2.PageCount ? GridView2.PageCount - 1 : newPageIndex;        //得到新的值        GridView2.PageIndex = newPageIndex;        //重新绑定        string sqlStr = "SELECT [ID], [Name], [Code], [Level] FROM [Addr_OfficialCity]";        this.Bind(sqlStr);    }