[Mono-dev] Controls in HTML comment block behave different in .Net and Mono

Fri Feb 3 12:56:35 EST 2006

You may have fallen foul of the same thing I did:

Codebehind="WebForm1.aspx.cs"

is a Visual Studio thing, apparently.  You want to replace "CodeBehind" 
with "Src".

It worked for me, anyway.

Cheers

Peter

Arnhoffer Károly wrote:

>Hi,
>
>When I have an ASP.Net control in an HTML comment block of an aspx page it does not compile under Mono but it does compile under .Net.
>
>Exmple aspx:
>
><%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="MonoCharsetTest.WebForm1" %>
><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
><HTML>
>	<HEAD>
>		<title>WebForm1</title>
>		<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
>		<meta name="CODE_LANGUAGE" Content="C#">
>		<meta name="vs_defaultClientScript" content="JavaScript">
>		<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
>		<meta name="Content-Type" content="text/html; charset=utf-8">
>	</HEAD>
>	<body>
>		<form id="Form1" method="post" runat="server">
>			<!--
>			<INPUT id="Button1" type="button" value="Button" name="Button1" runat="server">
>			-->
>		</form>
>	</body>
></HTML>
>
>Example cs:
>
>using System;
>using System.Collections;
>using System.ComponentModel;
>using System.Data;
>using System.Drawing;
>using System.Web;
>using System.Web.SessionState;
>using System.Web.UI;
>using System.Web.UI.WebControls;
>using System.Web.UI.HtmlControls;
>
>namespace MonoCharsetTest
>{
>	/// <summary>
>	/// Summary description for WebForm1.
>	/// </summary>
>	public class WebForm1 : System.Web.UI.Page
>	{
>		protected System.Web.UI.HtmlControls.HtmlInputButton Button1;
>	
>		private void Page_Load(object sender, System.EventArgs e)
>		{
>			// Put user code to initialize the page here
>			Button1.Value="Hello";
>		}
>
>		#region Web Form Designer generated code
>		override protected void OnInit(EventArgs e)
>		{
>			//
>			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
>			//
>			InitializeComponent();
>			base.OnInit(e);
>		}
>		
>		/// <summary>
>		/// Required method for Designer support - do not modify
>		/// the contents of this method with the code editor.
>		/// </summary>
>		private void InitializeComponent()
>		{    
>			this.Load += new System.EventHandler(this.Page_Load);
>
>		}
>		#endregion
>
>	}
>}
>
>Results when running on mono: 
>
>Server error in '/c' application
>
>--------------------------------------------------------------------------------
>
>Description: Error processing request. 
>Error Message: HTTP 500. 
>
>Stack Trace: System.NullReferenceException: Object reference not set to an instance of an object
>in <0x00012> MonoCharsetTest.WebForm1:Page_Load (System.Object sender, System.EventArgs e)
>in (wrapper delegate-invoke) System.MulticastDelegate:invoke_void_object_EventArgs (object,System.EventArgs)
>in <0x00117> System.Web.UI.Control:OnLoad (System.EventArgs e)
>in <0x000e5> System.Web.UI.Control:LoadRecursive ()
>in <0x0011e> System.Web.UI.Page:InternalProcessRequest ()
>in <0x000a4> System.Web.UI.Page:ProcessRequest (System.Web.HttpContext context)
> 
>With .Net I get a page without the button and no compilation error.
>
>Wich is the right behaviour?
>VS.Net project, Mono and .Net results are attached.
>
>Thanks!
>
>Károly
>  
>
>
> ------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
>
>   Server error in '/c' application
>
> ------------------------------------------------------------------------
> *Description: *Error processing request.
>
> *Error Message: *HTTP 500.
>
> *Stack Trace: *
> ||
>
>System.NullReferenceException: Object reference not set to an instance of an object
>in <0x00012> MonoCharsetTest.WebForm1:Page_Load (System.Object sender, System.EventArgs e)
>in (wrapper delegate-invoke) System.MulticastDelegate:invoke_void_object_EventArgs (object,System.EventArgs)
>in <0x00117> System.Web.UI.Control:OnLoad (System.EventArgs e)
>in <0x000e5> System.Web.UI.Control:LoadRecursive ()
>in <0x0011e> System.Web.UI.Page:InternalProcessRequest ()
>in <0x000a4> System.Web.UI.Page:ProcessRequest (System.Web.HttpContext context)
>
> ------------------------------------------------------------------------
>
>------------------------------------------------------------------------
>
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>  
>

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