I have a couple of questions, these are problems that I have experienced with
IE 6
1.  I have a label on a form, and sometimes when the form refreshes the
label doesn't appear on the screen, however when I hide the form and then

Why when you create a class instance do you have to declare the class name
before.
newClass ras = new newClass();
Thanks

Newbie question:
I'm trying to determine if a file physically exists regardless of the
permissions on it
Using File.Exists() returns false if it physically exists but the

i am a c# newbie, and i'm writing an application that requires to show
some numerical data in a table(it is a distance matrix). i wonder if
there is any component that serves such purpose... ? i would like it to
be editable, able to store integers or strings and not bloated :-)

in the processing of some text files, I have found I have strings like:
f=E5t
pr=F8ve
where the strings "=E5" and "=F8" are danish characters "å" and "ø". I can

How can I determine whether an object is derived from another object?
My specific example is that I have a CustomError class with several specific
error types that derive from it (CustomBuinessError, CustomTechnicalError,
etc.). The CustomError base class has some extra fields ...

I have a base class that must have a member variable populated by, and only
by, derived classes.
It appears that if I declare the variable as "internal protected" then the
base class *can* populate the variable, but the population is not *required*

I'm working on my "last resort" error block for a web application.
If the error occurs after a Request has been made, I want to show the URL.
If the Request object is not available, I'll skip it.
I thought I could check for the existence of an object by comparing to null.

I must have looked searched in 500+ places that showed up in Google
searchs, but not one has an example of what I want to do.
I have a Listbox on a User Control because I want to control the
visibility and/or presence of the Listbox and associated label, and I

Hey all,
I pass my methods to be called into my function by Delegate.
Once inside my function which invokes them I'd like to get the orignal
name of the delegate if possible.  I just want the name for reporting

To reporoduce, run the code.
Observed: Form is shown
Expected: message box should displayed.
How to fix ?

Exception may be thrown in the code inside the try block.
I want to handling the SqlException with State == 1 in a special way,
and for all others I want to use a general way to handle. Which of the
following options is better?

What is the difference between
 watch.Changed += new FileSystemEventHandler(OnChanged);
and
 watch.Changed += OnChanged;

I am facing a problem. My project is composed of several assemblies. In one
of them -the backend- I have several internal classes that must implement an
interface. These internal classes are only used by one master class that is
public.

I need an array of objects.  I am considering using either ArrayList Class
or List Generic Class.
Any guidelins regarding when to use one or the other?
Thanks