<转帖>GridView分页的实现

mac2022-06-30  34

<转帖>GridView分页的实现

 

要在GridView中加入

//实现分页

AllowPaging="true"

//一页数据10行

 PageSize="10"

// 分页时触发的事件OnPageIndexChanging="gvwDesignationName_PageIndexChanging"

在服务器事件里

protected void gvwDesignationName_PageIndexChanging( object sender, GridViewPageEventArgs e){gvwDesignationName.PageIndex = e.newIndex;bingDesignatioonName();} 复制代码

这里我给出一个通用显示分页的模板(网上搜的,自己给出注释)

Code <PagerTemplate>                当前第:                //((GridView)Container.NamingContainer)就是为了得到当前的控件                <asp:Label ID="LabelCurrentPage" runat="server" Text="<%# ((GridView)Container.NamingContainer).PageIndex + 1 %>"></asp:Label>                页/共:                //得到分页页面的总数                <asp:Label ID="LabelPageCount" runat="server" Text="<%# ((GridView)Container.NamingContainer).PageCount %>"></asp:Label>                页                 //如果该分页是首分页,那么该连接就不会显示了.同时对应了自带识别的命令参数CommandArgument                <asp:LinkButton ID="LinkButtonFirstPage" runat="server" CommandArgument="First" CommandName="Page"                    Visible='<%#((GridView)Container.NamingContainer).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>               //如果该分页是尾页,那么该连接就不会显示了                <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" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>' />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="-2"                    CommandName="Page" Text="GO" />            </PagerTemplate>

对应该事件中代码为

Code  protected void gvwDesignationName_PageIndexChanging(object sender, GridViewPageEventArgs e)    {        // 得到该控件        GridView theGrid = sender as GridView;        int newPageIndex = 0;        if (e.NewPageIndex==-3)        {            //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 = theGrid.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 >= theGrid.PageCount ? theGrid.PageCount - 1 : newPageIndex;                //得到新的值        theGrid.PageIndex = newPageIndex;                 //重新绑定        bingDesignatioonName();    }

转载于:https://www.cnblogs.com/dzj007/archive/2012/02/14/2351824.html

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