[mono-vb] VBNC Error: Handles Clause?

Thu Jun 5 17:41:37 EDT 2008

I had the same problem, what I did was to remove the handles clause and to
add the call to the procedure in the control tag in the aspx page. So in
your example it would look like this:

<asp:Button ID="TestButton" runat="server" Text="Button" 
onclick="TestButton_Click"/>

It worked for me, hope it works for you too.

MonoNewbie wrote:
> 
> 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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