MCAD book error? - Dev Web App Book Ch.4 Lab

Hi,

Please help me understand if this is an error in the
book, or if there is something that I am just not
understanding.

Book title:
MCAD/MCSD Self-Paced Training Kit: Developing Web
Applications with Microsoft Visual Basic .NET and
Microsoft Visual C# .NET

Book errors/corrections article:
http://support.microsoft.com/default.aspx?scid=kb;en-
us;326884

Chapter 4 (p.198)
- I am getting an undeclared statement for the
variable "strmEditFile". So ok, first thought is, i must
have mistyped something. After digging and digging, I
found nothing mistyped or misread.
- So I grab the example files from the cd, and in the
same code for the file "EditFile.aspx.vb" they have an
additional line which declares the variable: "Dim
strmEditFile As StreamReader"
But that line is not in the book at all.

So I am trying to understand if this is an error in the
book, or if it is my error with just not understanding
something. (I am pretty new to all of this)

Thanks for any help!


BTW: the support article I listed above, does not contain
this as an error in the book.