Is there a way to programmatically identify the .NET Framework version(s)
installed on a client PC?
My application requires 1.1 SP1 and I'd like to give a warning to the user
if they don't have it.

I found a very strange problem in my .net 2.0. I can not find the
configurationmanager class from my system.configuration namespace.
did someone have the same problem? Please give me some reason why i have
this problem.

I have written a .NET application which does heavy use of interop (through
ManagedC++).
It works allright.
Now someone askedme if it works when installed in a shared directory.

Are there any Third Party Components, conecrning scheduling and task
related things ? (Outlook like)
I Already found Infragistics (seems like performance is an problem).
Which components are good in the look and feel ?

On my PC I have multiple .NET frameworks selected (1.0, 1.1 and 2.0)
In Visual Studio 2003, how do I select which one I use to build my project?
Thanks

If I use params keyword in my multicast delegate, can I call it using BeginInvoke? BeginInvoke takes some parameters after params keyword. I'm confused how to pass them after params...
Thanks!
Zhenxin Li

i am new at VS (studying c#) and i eonder that how can i open and
COPiLE VS2005 projects withs VS 2003 (on a computer that have not
NETFRAMEWORK 2.X  only have 1.1)
maybe some assembly works but i really woder this..

I'm having random problems with BeginInvoke function. I have 2
WebServices (VB.Net), the first one is the main ws and the second is
the backup in case that the primary server crash or goes offline.
My client, which is also in VB.Net tries to connect to the first

Regex.Replace("BUILDING IN PARIS, IN LONDON" ,"\bIN\b","???");
returns "BUILDING ??? PARIS, ??? LONDON"
I need to replace the first match only, to have "BUILDING ??? PARIS, IN
LONDON"

Does anyone know how to pass an enum to a web method?
public enum RptSetStatus
{
  PendingApproval,

In my application I use a large number of panels and textboxes. If I
set the backcolor to each control, the application requires a large
number of GDI objects. They are not freed until Dispose() get called.
for (int i = 0; i<1000; i++)

Since we upgraded our solutions from VS 2003 to 2005, one user is repeatedly
reporting InvalidOperationExceptions, announced to her in the form of a
window that says "XXX.exe has encountered a problem and needs to close. We
are sorry for the inconvenience .... Please tell Microsoft ...

I looked in the documentation for System.ComponentModel.Component's
constructor but I only noticed a constructor taking no parameters. My
understanding is that there is a second constructor which takes a
System.ComponentModel.IContainer interface object. Has this been the

I have a mail class which is extended from Outlook.MailItem like below to
make it serializable
   [Serializable]
   public class myMail : ISerializable

I'm wondering if there is any way to access .NET assemblies from
classic ASP/VBScript?
We have a legacy app that was written using classic ASP and VBScript,
and there's a new facility that one of our developers did in .NET that