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.net GridView分页模板的实例代码

  • 时间:2020-06-06 12:57 编辑: 来源: 阅读:
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摘要:.net GridView分页模板的实例代码
[u]复制代码[/u] 代码如下:
//要在GridView中加入如下属性(前台还是后台看你的习惯了。) //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(); } //这里我给出一个通用显示分页的模板 <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  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();     }
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