Web Forms :: Content Page Validation Doesn't Work Under Master Page?
Dec 17, 2010
I have very simple validation on the aspx page (highlighting not valid textbox), and it works perfectly. But when I try to work with this page using MasterPage, I've got an error - "Object reference not set to an instance of an object." (with reference to the line "aControl.BackColor=Drawing.Color.White" - underlined).
Here is the code of the content page.
<%@ Page Title="" Language="VB" MasterPageFile="~/MasterPage.master" CodeFile="testValid.aspx.vb" Inherits="testValid" %>
[Code].....
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Jul 8, 2010
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[Code]....
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Can I ask what this error refers to, (I have had it twice now over the last couple of days and then it goes away):
System.Web.HttpException: Content controls are allowed only in content page that references a master page.
This is followed by Stack Trace:
[HttpException (0x80004005): Content controls are allowed only in content page that references a master page.]
System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection) +9744256
System.Web.UI.Page.get_Master() +55
System.Web.UI.Page.ApplyMasterPage() +14
System.Web.UI.Page.PerformPreInit() +51
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1104
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to whom it may concern,
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< FORM id=formEmpSearch method=post action=~/About/peopleSearch.aspx runat="server">
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Imports System
Imports System.Web.UI
Imports System.Web.UI.WebControls
Partial Class mstrIntranet
Inherits System.Web.UI.MasterPage
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Get
Return txtSearchName.tex
End Get
Set(ByVal value)
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End Set
End Property
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Search Results Code Behind page:
Partial Class PeopleSearch2
Inherits System.Web.UI.Page
Public SearchName As String
Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim mpTextbox As TextBox
mpTextbox = CType(Master.FindControl("txtSearchName"), TextBox)
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