摘要： 上图先：前台代码aspx：<asp:Repeater ID="rptShowPaper" runat="server"> <ItemTemplate> <asp:PlaceHolder ID="PlaceHolder1" runat="server" Visible='<%# (Container.ItemIndex + 1) % 3 ==1 %>'> <tr> </asp:PlaceHolder> <td> < 阅读全文