[mono-vb] VBNC Error: Handles Clause?

Thu Jun 5 13:55:43 EDT 2008

Hi,

I am a new Mono user, and have the following goal. Basically, I would like
to develop ASP.NET sites in Visual Web Developer Express 2008 using Visual
Basic and serve the ASP.NET sites on Centos 4 with Mono. .

I have created a simple ASP.NET page with the following code:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb"
Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

        <asp:Button ID="TestButton" runat="server" Text="Button" />
        <asp:Label ID="CountLabel" runat="server" Text="Please click the
button!"></asp:Label>

    </div>
    </form>
</body>
</html>

And here is the code-behind:

Partial Class _Default

    Inherits System.Web.UI.Page

    Protected Sub TestButton_Click(ByVal sender As Object, ByVal e As
System.EventArgs) Handles TestButton.Click

        CountLabel.Text = "You clicked the button!"

    End Sub

End Class

I am currently using the web.config file that comes with the "test" XSP
server...

I get the following error when I try loading the page.

Description: Error compiling a resource required to service this request.
Review your source file and modify it to fix this error.

Compiler Error Message: (0,0) : error VBNC_CRASH: Visual Basic.Net Compiler
version 0.0.0.5851
Copyright (C) 2004-2007 Rolf Bjarne Kvinge. All rights reserved.

/tmp/apache-temp-aspnet-0/9bc357e7/App_Web_57841eb3_1.vb (12,18) : Warning
VBNC99998: Option Strict Off will probably fail.
Error : VBNC99999: Unexpected error: Cannot cast from source type to
destination type.
at vbnc.EventMemberSpecifier.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.Helper.ResolveCodeCollection (IEnumerable Collection,
vbnc.ResolveInfo Info) [0x00000]
at vbnc.BaseList`1[vbnc.EventMemberSpecifier].ResolveCode (vbnc.ResolveInfo
Info) [0x00000]
at vbnc.HandlesClause.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.HandlesOrImplements.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.SubDeclaration.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.Helper.ResolveCodeCollection (IEnumerable Collection,
vbnc.ResolveInfo Info) [0x00000]
at vbnc.BaseObjects`1[vbnc.IMember].ResolveCode (vbnc.ResolveInfo Info)
[0x00000]
at vbnc.TypeDeclaration.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.ClassDeclaration.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.AssemblyDeclaration.ResolveCode (vbnc.ResolveInfo Info) [0x00000]
at vbnc.Compiler.Compile_Resolve () [0x00000]
at vbnc.Compiler.Compile () [0x00000]
Compilation took 00:00:04.8297640

/Default.aspx

When I remove the "Handles" clause, the page loads, but of course doesn't
function properly.

If I create the equivalent page using C# instead, everything works fine.

I have read that there might be a known error regarding the Handles
clause... has this been resolved? Is it relevant to the error I am
receiving?

I have installed the latest 1.9.1 version of Mono with yum, but I am not
sure I have the latest version of mono-basic. How can I check that?

Thanks for any help!

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