Web Forms :: The Page Contains Markup That Is Not Valid When Attached To A Master Page

Feb 9, 2010

I have a web application with a Master Page, two pages in my project needed to be out of the master page template and display different styles so I indicated the folder that contains the style sheets for each one of my pages like this:

<%@ Page Language="vb" AutoEventWireup="false"MasterPageFile="~/Site1.Master" CodeBehind="Welcome.aspx.vb"
Inherits="B0_1.Welcome" StylesheetTheme="Default" %>

(or StylesheetTheme="Print" accordingly) [code]...

App_Themes directory contained only Default

The application runs ok but every time I want to modified something the first time I open the page in the design view shows me the following error:The page contains markup that is not valid when attached to a Master Page correct the problem in the code view

Then I click view code and it is highlighted the wrong section that is always all what is in the ContentPlaceHolderID="head".If I cut this bit, go to the design mode and then go back to the code mode and paste the bit of code again I can see the design mode without problems and switch to the code view as well without problems. It is very anoying and I don't know if it will affect
me in other ways.

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