I have been doing a lot of PInvoke calls using signatures published on
www.pinvoke.net. I notice that where out parameters are involved, sometimes
the signature uses 'out' and sometimes '[Out]'. I have discovered that using
the wrong one causes nasty things to happen, but I can't ...

Does anyone have a better way for knowing if a string contains an
int ?
bool IsInt(string valeur)
{

I give up... I've wasted the better part of today trying to find a way to
compile Enterprise Library 3.1 assemblies using a key and I simply can't
aquire all the resources I need to make it happen.
Does anyone have a pre-compiled version of the Enterprise Library assemblies

Not that I've ever gotten any reponse to questions in the past, but I don't
know where else to turn.
I have a remoting application (.NET 2.0, VS 2005, C#) with a custom
ChannelSinkProvider as described in this article

Using c# 2.0 in a winforms app, is there a common dialog I can use to allow
users to select a directory?  By selecting a folder, the user will be
identifying the location a group of files will be saved to.  The dialogue
will return a string path that I will use for this.

I'm using DAL auto generated code.  Is it possible for me to have the same
connection string for all my transactions but to execute the command
"Execute AS USER = 'myuser'" (SQL Server 2005) before each execution.  Where
I control the name of the user.

I'm currently working on framework 1.1 webapplication using C#.
When I test the application located in my local machine, it works fine to
"Directory.CreateDirectory()".
However, I test the application use in server machine, it doesn't work.

I'm using a third party .NET 2 DLL from VB.NET and I'm am setting a property
of type 'int'. However, if I set a value larger than a 'short' (32k) then
reading the property back returns a negative number. Can someone tell me
what is likely to be happening within the property ...

i'm currently developing a class to communicate with a serial device,using
the SerialPort component.
Basically,the main application will interact with this class through its
method "Call",the class itself will handle all the details of a call (AT

I an newbie to LINQ.
I have a dataset with one table employee which has a self referencing
foreign key manger id. I want to write a query to get all the employees
under a particular manager. I tried the following query

I'm new to C# so bear with me.  I have a public string const that I
need to be visible within any class within my namespace so I'll have
one place to maintain the string value and have changes affect all
classes.

Firstly, I'm not sure if this is the right group for this query, so
please forgive me if I am wrong.
My problem is that most users I distribute my software to cannot
install it on their systems due to not having the correct

Sorry for the off-topic...
It doesn't seems as though Team Foundation Server handles things like
estimating 10 hours for a task, stating that 2 hours were done yesterday and
5 hours done today... i.e. time estimating/tracking.

Is it possible to call another method out of the select statement?
In this example I am trying to call GetItem() from within the first select
statement.
But I get the following error"

I have a question about concurrency and delegates.
Say I have a class roughly like this:
   public class Class1
   {