I am quite new to c#, so this question may be quite stupid.
I saw some variables are defined as this:
ArrayList _Text= new ArrayList();
why _ is needed?

Hello, I have a console application which I run from a server.  When I
remotely log on to the server and sumit the application it runs just fine.  
When I schedule the job and use my login ID and password, the job fails when
it attempts to access a shared drive.  I'm not sure why. ...

In my asp.net application,I will be showing some PDFs which the user can
download. When the user clicks on any PDF I will be downloading the related
file and I will be showing the related portion of the map in the image box.
When the user clicks on any file, the ImageBox is ...

I use a loop to insert about 12 record into table:
Mybe there are already some records exist in the table,
When the duplicate primary key exception thow, my program will show an error
page and the loop terminate.

How can I share DB connections between many forms?

Hey
Is there a plan for a new certificates that will obsolete current versions
of MCAD/MCSD and so on ?
Jarod

How can I retrieve the dimentions of the image that's been loaded into a
picture box?
Thanks

My WebService connects to a database server, client application connects to
the WebService. There is a backup method in WebService backups database and
sends compressed data back to the client app. The client app then generates
a zip file using the compressed data. I tried ...

I am using Visual C# to design a system as follows:
There will be 3 computers all on the same network running identical programs
at the same time.  The computers can come up in any order.  The programs
(which I am writing) are supposed to share their data with one another a few

BUG/PRODUCTION-DOWN: UserControl running from HTML not working.
Someone please help,
I have a production down situation. For whatever reason, UserControls are
not owkring from HTML/IE. When script tries to run a UserControl's method or

I have a project that I have been messing with for a while.
I get a message in my task list that says:
"The dependency 'ICSharpCode.SharpZipLib' could not be found."
I added this library in a while ago but removed it.  I can't find where

How do I open a console from a Winform App?  I've tried
Console.WriteLine but that doesn't work.
Regards

 I'm new to WebServices and WinCE.  My first projects involves an
image retrieving Client app, running on a desktop with XP. The local
server is IIS. The images resides on the server machine (jpg, bmp
etc). The app works fine; I did it with FromStream from the

I have 14 strings in each row that I need in a two-dimensional string
array and I know how many rows I've got.
I have two questions please:
1. How can I assign 14 string values in 14 elements per row, and then

Is there a way to know the name (or hashcode) of the thread that will
be used by ThreadPool.QueueUserWorkItem ?
The reason for that is that i want to update clients with ordered data.
I mean that when i send some info to client A (say '1'), i do not want