• asp.net中Repeater嵌套绑定的方法(查询新闻类别和新闻类别下的新闻) .


    前台页面:

    <div class="llgh_2">
                        <asp:Repeater ID="Repeater1" runat="server"
                            onitemdatabound="Repeater1_ItemDataBound">
                            <ItemTemplate>
                                <table width="100%" align="center" cellpadding="5" cellspacing="0" border="0" class="tal">
                                    <tr>
                                        <td colspan="2">
                                            <h4>
                                                <%# DataBinder.Eval(Container.DataItem, "typename")%>
                                            </h4>
                                        </td>
                                    </tr>
                                    <asp:Repeater ID="rptProduct" runat="server">
                                        <ItemTemplate>
                                            <tr>
                                                <td class="td_r">
                                                   <a href='ProductInfo.aspx?Id=<%# DataBinder.Eval(Container.DataItem, "typeid") %>'>
                                                   <%# DataBinder.Eval(Container.DataItem, "title")%>
                                                </td>
                                                <td class="td_rr">
                                                    <%# DataBinder.Eval(Container.DataItem, "regdate")%>
                                                </td>
                                            </tr>
                                        </ItemTemplate>
                                    </asp:Repeater>
                                </table>
                            </ItemTemplate>
                        </asp:Repeater>
                    </div>

    后台代码(部分代码):

    //在绑定新闻类别时,绑定新闻类别下的新闻

    //新闻类别名称Repeater1绑定省略,正常绑定即可,下面代码为新闻类别名称Repeater1的ItemDataBound事件

     protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
            {
                Repeater rptProduct = (Repeater)e.Item.FindControl("rptProduct");
                //找到新闻类别编号
                object CategorieId = DataBinder.Eval(e.Item.DataItem, "typeid");
                //根据新闻类别ID查询该分类下的新闻,并绑定新闻

               //rptProduct.DataSource =获取产品列表的方法(参数:Convert.ToString(CategorieId));

                rptProduct.DataSource =newsbll.GetAllNewsId(Convert.ToInt32(CategorieId));
                rptProduct.DataBind();

            }

    结果如图:

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  • 原文地址:https://www.cnblogs.com/linling/p/3185589.html
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