I have this code:
public class Contract {
private Definition[] definitionField = new Definition[];
public Definition[] Definitions {

I'm having a problem with LINQ, I know my property isvalid is set to
true, when I step through the code it's fine, this._IsValid = value is
set to true, but when it gets to SendPropertyChanged it's always null.
The if is always false and never updates?

Hi,
  This seems really basic, but I can't figure it out.
   What is the difference between an inherited class overriding a base
class method and an inherited class creating a "new" method.

Is there a way to get vs2005 to use .net 3.0 in the sense of asp.net? If so
how do you do that?

I'm cross posting, sorry, but this pertains to both sides..
I have a Web Services written in C# and a client written in VC6.   I've
never uploaded files through web services so forgive my ignorance in this
matter, but I'm trying to understand how I can do this from the C++ client.

Is it possible to dynamically change the number of elements of one of those
types without actually knowing the element type?
Say I have a
int[] l = new int[30];

Hi, in my C# windows forms application accessing remote server, I want
to upload files to my server and store the path in my database.  Both
functions are being performed within the same application.  I did this
before with the same database and server with Access and was able to

What is the best way to initialize a listbox by the first row from
multidimensional array? I wanted to use Listbox.DataSource but I could not
make it work.
Thanks,

  Is there any fixed point library in .net framework? I need it to use on
fixed point processor that doesn't have any floating point co processor
Regards

What are the steps to register a C# assembly as a COM object?

I have a ListView (entityListView) with a ContextMenu (contextMenu).
Overriding the Opening event of the ContextMenu, I'm trying to ensure
that the ContextMenu does not appear if it not right-clicked over an
existing item in the list view.  In the code below, it appears that

Hi.  I've been teaching C# and I'm tired of students
telling me that they passed ints by ref when they don't
need to because it's "more efficient".  I've seen this myth
repeated in many textbooks, but it's completely wrong

I have problem wrapping a callback declared in the
unmanged C++ and call a function that sets the callback from C#.
What I want to do is to first wrap an unmanaged C++ class using managed C++.
Then I access this managed C++ code from my C# code.

For holding multiple objects, what is the better way to hold them? a
collection class or an array?

I am trying to run a thread and inside this thread an exception
happenes.
The question is how can I catch the exception outside of the thread and
react on this exception?