I am using Visual Studio and have compiled the HelloWorld.dll in Chapter 13 pages 472 to 475, however, I am unable to see the WroxComponents option in the dropdown menu following 'Dim MyVBComponent As New -'is there an Imports or an Inherits code line that requires to be added to define this item and include it in the menu?
My .sin file resides in the recomended Chapter13 (Ch13) directory, also the bin directory containing the HelloWorld.dll component, in addition I have included the bin directory which is part of my project as an active part of the project (resides in the root directory) and copied the component into it, but the component name is still not added to the above dropdown menu.
Front page code:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
<%@ Page Language="
vb" AutoEventWireup="false" Codebehind="HelloWorldEx.aspx.
vb" Inherits="HelloWorldExample.WebForm1"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>WebForm1</title>
<meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" content="Visual Basic .NET 7.1">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<P>Our component says:</P>
<P><asp:Label id="lblMessage" runat="server" Width="152px"></asp:Label></P>
</form>
</body>
</HTML>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
Back page code:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
Public Class WebForm1
Inherits System.Web.UI.Page
#Region " Web Form Designer Generated Code "
'This call is required by the Web Form Designer.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
End Sub
Protected WithEvents lblMessage As System.Web.UI.WebControls.Label
'NOTE: The following placeholder declaration is required by the Web Form Designer.
'Do not delete or move it.
Private designerPlaceholderDeclaration As System.Object
Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
'CODEGEN: This method call is required by the Web Form Designer
'Do not modify it using the code editor.
InitializeComponent()
End Sub
#End Region
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Put user code to initialize the page here
Dim MyVBComponent As New WroxComponents.HelloVB
End Sub
End Class
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
HelloWorld.dll component code:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
Imports System
Namespace WroxComponents
Public Class HelloVB
Public Function SayHello() As String
Return "Hello World - I'm a
VB.NET component!"
End Function
End Class
End Namespace
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
Does Visual Studio require something in addition?
Many thanks,
Edward.
Accessing compiled components in an ASP.NET Page
