ASP.NET Repeater控件：如果数据包含零元素，如何不显示标题模板？
我希望我的页眉和页脚HTML不要在数据源没有项目的情况下写入。
我怎么做？
没有找到相关结果
已邀请:
4 个回复
吐兄
遣莫捅炭
<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script> </head> <body> <form id="form1" runat="server"> <script type="text/javascript"> $(document).ready(function () { if ($("#divItemDetails").text().length > 0) { $('#RepeaterDiv').show(); } }); </script> <div style="overflow: hidden; display: none" id="RepeaterDiv"> <asp:Repeater runat="server" ID="RepeaterID" DataSourceID="RepeaterDataSource"> <HeaderTemplate> All Names </br> </HeaderTemplate> <ItemTemplate> </br> <div id="divItemDetails"> <%# Container.DataItem%> </div> </br> </ItemTemplate> </asp:Repeater> <asp:ObjectDataSource runat="server" ID="RepeaterDataSource" SelectMethod="GetAllEmployees" TypeName="MyCustomBAL" /> </div> </form> </body> </html>舶啥戚
void Repeater1_PreRender(object sender, EventArgs e) { Repeater rpt = (Repeater)sender; if (rpt.Items.Count == 0) { rpt.Visible = false; } }坝硷操
<div class="menu mainNav"> <asp:Repeater ID="rptrMainMenu" runat="server" DataSourceID="sdsMain"> <ItemTemplate> <%--<li>--%> <%--<asp:HyperLink runat="server" NavigateUrl='<%#Eval("Url")%>'><%#Eval("Title") %></asp:HyperLink>--%> <asp:Repeater ID="rptrsub1" runat="server" DataSource='<%#CType(Container.DataItem,SiteMapNode).ChildNodes %>'> <HeaderTemplate> <ul class='mainmenu'> </HeaderTemplate> <ItemTemplate> <li class='submenu'> <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%#Eval("Url")%>'><%#Eval("Title") %></asp:HyperLink> <asp:Repeater ID="rptrsub1" runat="server" DataSource='<%#CType(Container.DataItem,SiteMapNode).ChildNodes%>'> <HeaderTemplate> <%-- <%# If(CStr(Eval("Title") & "") = "", "", "<ul class='submenu'>")%>--%> <%-- <% System.Diagnostics.Debugger.Break()%>--%> <%# If(CType(CType(Container.Parent.Parent, RepeaterItem).DataItem, SiteMapNode).HasChildNodes, "<u class='submenu'>", "")%> </HeaderTemplate> <ItemTemplate> <li class='submenu'> <asp:HyperLink ID="HyperLink2" runat="server" NavigateUrl='<%#Eval("Url") %>'><%#Eval("Title")%></asp:HyperLink> </li> </ItemTemplate> <FooterTemplate> <%# If(CType(CType(Container.Parent.Parent, RepeaterItem).DataItem, SiteMapNode).HasChildNodes, "</u>", "")%> </FooterTemplate> </asp:Repeater> </li> </ItemTemplate> <FooterTemplate> </ul></FooterTemplate> </asp:Repeater> <%-- </li>--%> </ItemTemplate> </asp:Repeater> </div>