C# - Error Creating Control Vs2010 MasterPage?
Jul 1, 2010
Someone can explain this error?Error Creating Control - headObject reference not set to an instance of an object.
<%@ Page Title="" Language="C#" MasterPageFile="~/Controls/Master1.Master"
AutoEventWireup="true" CodeBehind="GrupoUsuario.aspx.cs" Inherits="GrupoUsuario" %>
<asp:Content ID="Content1" runat="server" contentplaceholderid="head">
</asp:Content>
I Think this is a bug of visual studio 2010 in design view. I'not using any event to manipulate session object in the method OnInt(). The "PlaceHolderTopo" is an placeholder in the web user control Topo.ascx. It's work normaly. I Don't have any code inside the content place holder in the page tha inherits from the master page and get this error.Below is the code of the masterpage:
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="PrincipalSeguranca.Master.cs" Inherits="PrincipalSeguranca" %>
<%@ Register Src="Topo.ascx" TagName="Topo" TagPrefix="uc1" %>
[code]...
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