I have vb.net windows application which need to upload file to server. It can run properly without using VPN. How can I run it with VPN? Is there any components or code to upload file? Or is there any method to get Ip assigned by VPN? Thank you.

When an HTTP server receives a connection on a listener socket, does the
socket stay open while the server processes that request?  Or does it close
the socket and reopen a new one to send once it has fulfilled the request?
thanks

I find the design patterns cover extensily the benifits and techniques of layering applications i.e. Presentation, BL, DAL. However, to date, I have not found much information on how the these layer will communicate with each other, except, that the presentation layer in the web ...

I want to multicast in both IPv4 and IPv6 scenarios
Therefore I read my TCP/IP protocol suite book and find that
IPv4 IGMP packet
8 bits                  8 bits                    16 bit

Is anyone out there currently using the out of process state service to store session state in a farm env?  We are currently experiencing all sorts of strange problems with the service -- namely, sessions get dropped at seemingly random intervals.  This does NOT happen when using ...

If there are no updates available, I'd like to stop the updater.  But the
ApplicationUpdateManager does not have an event for such a condition.  I
will change my copy of the UAB to fire a "NoUpdateAvailable" event, so that
I can subscribe to it and stop the updater when it fires.  ...

I have an XML web service that can be customized by customers. The
goal is this...
A process must run *somewhere* that acts as an interface between the
web service and some foreign system. Whatever that foreign system is

My ApplicationManager object is running in a thread called _updaterThread.
I'm unable to kill it.  After this code executes, I can still see the
process in Task Manager.  Is this the proper way to kill it? Do I have to
call _updaterThread.Abort ?

Hi..
I posted this earlier to one of the threads but  recieved no reply. If
anybody has any idea about this, please do let me know. i have to
achieve this within next 2-3 days.

We're designing a Smart Client app and are now dealing with deployment issues.  The Updater Block seems like the right way to go, but it uses BITS, and I understand that that means the host machine must be running IIS??  In our case the host could also be a Sun or AIX box.  What ...

We are currently deploying an app that uses UAB to send update.  However we are experiencing varying degree of performance problem using the BITS downloader dll provided.  From the BITS documentation, it is said that BITS uses "idle" network bandwidth to retrieve the download.  ...

I've been experimenting with no touch deployment.  Everything was
working well until I got to the point of trying to print a report from
the application.
I looked at Crystal Reports but according to their website it cannot be

hi, could anyone help with best practices for insert, delete and update
records in c#???
Immer.

Suppose i have a remote singelton such as
class MySingelton{
   ...
   public Int32 GetSum( Int32 X, Int32 Y ){

When my client application (Winforms) starts up, it adds handlers for both AppDomain.CurrentDomain.UnhandledException and Application.ThreadException.  Then, when my middle-tier throws exceptions, they correctly go back to the client and are logged, dealt with, etc
In the ...