I am trying to monitor the number of threads being used on multiple calls a
web service and files available for dowload through http.  
Q1. What is the difference between process:inetinfo:thread count and
process:w3wp:thread count?

I'm developping a software, in C# 2.0 with Visual Studio 2005.
Here is my problem, I'm doing a performance counting of my exceptions
with PerfMon.exe to see the number of exceptions thrown by my soft. At
a specific action in my program, "switching tabs and gettin new data",

We are currently designing an n-tier web app in NET 2.0 (C#). There will be
UI, Business, and Data Access tiers. Initially, they will all exist on the
same server and in the same process, but we want to be able to break off
tiers to other servers in the future if the need arises.

If there are some int,string ,ushort filed in a class,How to find out
how it would cost of the memery?

I have a calculation library written in C compiled into a DLL. I now
need to move into the .NET world and would like som advise on this.
One option would be to keep the C-code in the current dll and call it
directly from C#. This would require marshalling of some structs etc

I have used in my program a class which is similar like this
class test {
int i;
int j;

I have a problem with an application which randomly hangs on site.
The symptoms are that the user will click a button - which normally would
open a new form (which inevitably will create a socket connection back to a
server using remoting) - but just hangs. Sometimes the ...