.NET 2.0 System.IO Syntax changes required by Microsoft!

This drives me nuts.  I come across functions that are no longer supported often in ASP.NET 2.0 by getting messages, though nice, in VS 2005.  Ok, well, then I have to look these up to try to find out what the heck to replace them with.  I wish Microsoft would just bring you to the page automatically on the net that refers to the change that is required because I waste many hours trying to find this stuff on BOL.

Anyway, one example, which is this article by MS on System.IO (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconReadingTextFromFile.asp)

shows this below:

Imports System
Imports System.IO

Class Test
    Public Shared Sub Main()
        Try
            ' Create an instance of StreamReader to read from a file.
            Dim sr As StreamReader = New StreamReader("TestFile.txt")
            Dim line As String
            ' Read and display the lines from the file until the end
            ' of the file is reached.
            Do
                line = sr.ReadLine()
                Console.WriteLine(Line)
            Loop Until line Is Nothing
            sr.Close()
        Catch E As Exception
            ' Let the user know what went wrong.
            Console.WriteLine("The file could not be read:")
            Console.WriteLine(E.Message)
        End Try
    End Sub
End Class


When I try this code in my VS 2005 project, I get an error saying "Input" is no longer supported and that you have to use "LineInput".  I found info on LineInput here:  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vblr7/html/vafctlineinput.asp

I guess what I'm asking is there an official .NET 2.0 page just for System.IO I should be referencing here so that I don't have to go through this, or am I just stuck with having to research these darn syntax changes every time Microsoft decides to change it in new .Net versions?

I get pretty frustrated when I'm spending half my time looking up syntax from ASP 1.1 to 2.0
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dba123Asked:
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Carl TawnSenior Systems and Integration DeveloperCommented:
The .Net 2 class library reference can be found here:

     http://msdn2.microsoft.com/en-us/library/ms306608.aspx

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dba123Author Commented:
how do I know this is .NET 2.0, microsoft doesn't even tell you anywhere on the page as far as I can see!
Carl TawnSenior Systems and Integration DeveloperCommented:
Because anything that has a url or msdn2 is .Net2
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