ASP.NET 错误：仅在引用母版页的内容页中允许使用内容控件
[英]ASP.NET Error: Content controls are allowed only in content page that references a master page
问题描述
I received the error in the title as a result of the following page:
由于以下页面，我收到了标题中的错误：
<asp:Content ID="Content" ContentPlaceHolderID="ContentPlaceHolder" Runat="Server">
<atlas:ScriptManager ID="ScriptManager" runat="server">
</atlas:ScriptManager>
In this page I use AJAX controls.在此页面中，我使用 AJAX 控件。
3 个解决方案
解决方案1
6 已采纳 2013-06-21 11:11:22
The page that you've put the content control is not a master page based page.您放置内容控件的页面不是基于母版页的页面。 Check the top of the page, if you've got html like检查页面顶部，如果你有 html 喜欢
<html>
<body>
tags then the likelihood is that you've created a new page rather than a new page based off a masterpage.标签那么可能是您创建了一个新页面，而不是基于母版页的新页面。
解决方案2
4 2014-10-13 17:11:13
I ran into the same issue.我遇到了同样的问题。
For my case, these 3 steps needs to be followed to fix it:就我而言，需要遵循以下 3 个步骤来修复它：
- The .aspx file doesn't come under a MasterPage which means that this attribute is absent in the .aspx file
MasterPageFile="~/MyBasePage.Master"like this..aspx 文件不在 MasterPage 下，这意味着 .aspx 文件MasterPageFile="~/MyBasePage.Master"不存在此属性，就像这样。 Make sure the attribute is there.确保属性在那里。
<%@ Page Language="C#" MasterPageFile="~/MyBasePage.Master AutoEventWireup="true" CodeBehind="Home.aspx.cs" Inherits="Public.Home" %>
- The Master page needs to have the same
ContentPlaceHolderlike this to hold the HTML母版页需要像这样具有相同的ContentPlaceHolder来保存 HTML
<asp:ContentPlaceHolder ID="ContentHeader" runat="server"></asp:ContentPlaceHolder>
- The .aspx file needs to have a Content tag with the
ContentPlaceHolderIDsame as the aboveID.aspx 文件需要有一个 Content 标签，其ContentPlaceHolderID与上述ID相同
<asp:Content ID="Content1" ContentPlaceHolderID="ContentHeader" runat="server"></asp:Content>
解决方案3
1 2019-11-17 10:47:17
Just use those lines, problem will be solved.只要使用这些线，问题就会解决。
<%@ Page Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="YourPageCode.aspx.cs" Inherits="ProjectName.PageName" %>
<asp:Content ID="ContentId" ContentPlaceHolderID="PlaceholderID" runat="server">Your page content here</asp:Content>
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