Re: Running both in the IDE and on a remote host

From: Ken Dopierala Jr. (kdopierala2_at_wi.rr.com)
Date: 02/27/05 

Date: Sun, 27 Feb 2005 15:35:20 -0600

Hi Jeff,

I would start over with a new page. In VS.Net create a new web page, call
it eNP03.Aspx when it asks for a name. Now your code behind and your .aspx
page will be properly hooked up. Next copy everything but the @Page
directive in eNP02, paste this into eNP03 overwriting everything but the
@Page directive. Next copy all the code from the eNP02.aspx.vb file and
paste it into eNP03.aspx.vb. Then change this line:

Public Class WebForm1

Back to:

Public Class eNP03

Which is what it was before you copied the code in the .vb file. Now you
know you are setup right. Set eNP03.aspx as your start page by right
clicking on it and selecting that menu item. Now run the project. If you
still have a problem then you probably have something setup wrong with your
IIS or .Net Framework setup. Good luck! Ken. 

-- 
Ken Dopierala Jr.
For great ASP.Net web hosting try:
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If you sign up under me and need help, email me.
"Jeff" <jeff_nospam@eNetPortals.com> wrote in message
news:sIpUd.1455$wy3.412@newsread3.news.atl.earthlink.net...
> I have an ASP.NET web page accessing a SQL database.  I've used VS to
build
> the app and stored it in the eNPTest02 directory of my localhost on my
> development machine.  The database is on the web.  I've found a way that
> works on the web, and I'm trying to get it to also work in debug mode in
the
> IDE.  The "on the web" page and my SQL database are hosted by a third
party
> (on separate servers).
>
> Since debug mode opens IE and loads my page from localhost, since the
> database is located at a web URL, and since my development machine has an
> always-on DSL connection, I'm hoping there's a way to get this to work.
>
> As far as I can tell, this may be a Page directive issue: src vs
codebehind.
> But in either case, I can't get this to work in the IDE.
>
> What am I doing wrong??  I'd appreciate your help.
>
> I've tried 4 Page directive variations, differing in how I reference the v
b
> page and how I inherit the class:
>
> <%@ Page Language="vb" codebehind="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="eNPTest02.WebForm1"%>
> <%@ Page Language="vb" codebehind="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="WebForm1"%>
> <%@ Page Language="vb" src="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="eNPTest02.WebForm1"%>
> <%@ Page Language="vb" src="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="WebForm1"%>
>
> None of the above runs in debug mode in the IDE.  The last one runs
> successfully on the remote host.
>
> codebehind: Won't run in IDE
>   Won't run on remote host (Parser Error Message: Could not load type)
>   IDE views are fine
>
> src:  Won't run in IDE
>   Runs on remote host (if I don't refer to localhost directory - as I'd
> expect)
>   Cannot access form design view in IDE
>
>
> In more detail, here's what happens with each of the 4 variations
(Detailed
> Code is provided at the end of this post):
>
> '**********
> <%@ Page Language="vb" codebehind="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="eNPTest02.WebForm1"%>
>
> Run in IDE (debug mode)
>  IE opens, loads eNP02.aspx from localhost, and hangs.  (Eventually I get
a
> page cannot be displayed error.)  When I step through the
>
> code, the Page_Load event code executes without throwing an exception.
>
> Run on remote host
>  Parser Error Message: Could not load type 'eNPTest02.WebForm1'.
>
> When I open the project after it's been closed
>  The Design and HTML views of eNP02.aspx both display fine.
>
>
> '**********
> <%@ Page Language="vb" codebehind="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="WebForm1"%>
>
> Run in IDE (debug mode)
>  Parser Error Message: Could not load type 'WebForm1'.
>
> Run on remote host
>  Parser Error Message: Could not load type 'WebForm1'.
>
> When I open the project after it's been closed
>  The Design and HTML views of eNP02.aspx both display fine.
>
>
> '**********
> <%@ Page Language="vb" src="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="eNPTest02.WebForm1"%>
>
> Run in IDE (debug mode)
>  Parser Error Message: The base type 'eNPTest02.WebForm1' does not exist
in
> the source file 'eNP02.aspx.vb'.
>
> Run on remote host
>  Parser Error Message: The base type 'eNPTest02.WebForm1' does not exist
in
> the source file 'eNP02.aspx.vb'.
>
> When I open the project after it's been closed
>  The file could not be loaded into the Web Forms designer.  Please correct
> the following error and then try loading it again: The @
>
> Page or @ Control directive contains a src= attribute, which is not
> supported in Visual Studio.  Make sure all of the classes used in this
>
> page are built or referenced in the project.
>
>  I can load the HTML view of eNP02.aspx, but I cannot access the Design
view
>
>
> '**********
> <%@ Page Language="vb" src="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="WebForm1"%>
>
> Run in IDE (debug mode)
>  IE opens, loads eNP02.aspx from localhost, and hangs.  (Eventually I get
a
> page cannot be displayed error.)  When I step through the
>
> code, the Page_Load event code executes without throwing an exception.
>
> Run on remote host
>  Runs successfully.  The database connection succeeds, and the datagrid
> displays all data.
>
> When I open the project after it's been closed
>  The file could not be loaded into the Web Forms designer.  Please correct
> the following error and then try loading it again: The @
>
> Page or @ Control directive contains a src= attribute, which is not
> supported in Visual Studio.  Make sure all of the classes used in this
>
> page are built or referenced in the project.
>
>  I can load the HTML view of eNP02.aspx, but I cannot access the Design
> view.
>
>
> codebehind: Won't run on localhost
>   Won't run on remote host (Parser Error Message: Could not load type)
>   IDE views are fine
>
> src:  Won't run on localhost
>   Runs on remote host (if I don't refer to localhost directory - as I'd
> expect)
>   Cannot access form design view in IDE
>
>
> Code:
>
> 'eNP02.aspx - the form:
> <%@ Page Language="vb" src="eNP02.aspx.vb" autoeventwireup="false"
> Inherits="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 MS_POSITIONING="GridLayout">
>     <TABLE height="310" cellSpacing="0" cellPadding="0" width="359"
> border="0" ms_2d_layout="TRUE">
>       <TR vAlign="top">
>         <TD width="359" height="310">
>           <form id="Form1" method="post" runat="server">
>             <TABLE height="342" cellSpacing="0" cellPadding="0"
width="298"
> border="0" ms_2d_layout="TRUE">
>               <TR vAlign="top">
>                 <TD width="56" height="80"></TD>
>                 <TD width="8"></TD>
>                 <TD width="234"></TD>
>               </TR>
>               <TR vAlign="top">
>                 <TD height="128"></TD>
>                 <TD colSpan="2">
>                   <asp:Label id="Label1" runat="server" Width="240px"
> Height="96px" BorderStyle="Solid">Test 01 Label</asp:Label></TD>
>               </TR>
>               <TR vAlign="top">
>                 <TD colSpan="2" height="134"></TD>
>                 <TD>
>                   <asp:DataGrid id="dgCustomers"
> runat="server"></asp:DataGrid></TD>
>               </TR>
>             </TABLE>
>           </form>
>         </TD>
>       </TR>
>     </TABLE>
>   </body>
>
> </HTML>
>
>
> 'eNP02.aspx.vb - the codebehind file
> Imports System
> Imports System.Web.UI
> Imports System.Web.UI.WebControls
> Imports System.Web.UI.HtmlControls
> Imports System.Data.SqlClient
>
> 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 Label1 As System.Web.UI.WebControls.Label
>   Protected WithEvents dgCustomers As System.Web.UI.WebControls.DataGrid
>
>   '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 conMain As SqlConnection
>     Dim sqlCmd As SqlCommand
>     Dim strConn As String
>
>     Try
>
>       strConn = ""
>       strConn = strConn & "Network Library=dbmssocn;"
>       strConn = strConn & "Password=myPassword;"
>       strConn = strConn & "User ID=myUser;"
>       strConn = strConn & "Initial Catalog=myDB;"
>       strConn = strConn & "Data Source=000.000.000.000;"
>
>       conMain = New SqlConnection(strConn)
>       sqlCmd = New SqlCommand("SELECT FirstName, LastName FROM
> eNPCustomers", conMain)
>       conMain.Open()
>
>       Dim rdrCustomers As SqlDataReader = sqlCmd.ExecuteReader
>
>       dgCustomers.DataSource = rdrCustomers
>       dgCustomers.DataBind()
>
>       conMain.Close()
>
>       Label1.Text = "Codebehind Works"
>
>     Catch ex As Exception
>       Response.Write(ex.ToString)
>
>     End Try
>
>   End Sub
>
> End Class
>
>

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