Any*_*are 7 c# asp.net master-pages web-content
我想使用嵌套的母版页,所以我创建了以下母版页:
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="test.master.cs" Inherits="DocumentFlowUI.test" MasterPageFile="~/MasterPage2.master" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
<asp:Button ID="Button1" runat="server" Text="Button" />
</asp:ContentPlaceHolder>
</div>
</form>
</body>
</html>
我创建以下页面以使用该母版页:
<%@ Page Title="" Language="C#" MasterPageFile="~/test.Master" AutoEventWireup="true" CodeBehind="WebForm4.aspx.cs" Inherits="DocumentFlowUI.WebForm4" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</asp:Content>
我收到以下错误:
内容控件必须是内容页面中的顶级控件或引用母版页的嵌套母版页
只是为了证明 Erik 的观点：
父母版：
<asp:ContentPlaceHolder ID="head" runat="server" />
子母版：
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
<asp:ContentPlaceHolder ID="head" runat="server" />
</asp:Content>
页：
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
<!-- content -->
</asp:Content>
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