Hello,
(Sorry for my English...)
I am learning C# and I have a question:
is it good practice to use "using", for example:

I am developing an Asp.Net Web Application, My site will be a dating site
and members will be able to upload their photos on my site,
How can I upload image files to specific directory on my hosting site using
c# ?

I would like to write a service in C# and I have the need to display a UI
with status information, statistics, etc.  If  I use the Windows Service
project in C#, I noticed that the System.Windows namespace is not available
to me in the intellisense when I type "using System.".

Basically I have a listbox to which I add simple STRING items- I have a
progress bar which I increment whenever I populate another portion of the
complete set of items I wish to add. What I observe is that as more and more
are added, population of the list box takes longer and ...

Hey guys in this code:
public bool DealPlayerOut(int tableId, int playerId)
{
Room theRoom = FindRoom(tableId);

I'm implementing the Idisposable pattern and am wondering what the
difference it between managed, and unmanaged resources?
http://msdn2.microsoft.com/en-us/library/fs2xkftw.aspx
in the code snippet where it's overloading the Dispose method it

I have this application that has one sender, and multiple receivers,
the receivers are subscribing to a multicast group to which the sender
is sending information synchronously, while the receivers are receiving
asynchronously.  My issue, is that if the if the receiver's socket

I appreciate anyone's insight on this as I am new to web programming with .NET.
I  have a simple method which I use to send various HTTP requests to a web
server (snippet below).  On the first several invocations, the debugger will
actually stop in the catch  block.  

I have a Project in C# which makes 4 dlls and takes 2 C# class of the dlls
and a string array as as an input and returns a string array.
I want to use these dlls in java. The dll also makes a Word Object.
Please suggest a method to do it.

Is there a way of getting the date that an assembly was last compiled? I
am trying to help myself to remember what version of a particular
assembly my Web applications are using, so I've taken to having it
output the version number at the bottom of the page using:

I have an application where i need to receive some data through the C#
seriel port component.
My receive event and uart class which holds the receive buffer etc. looks
like this:

i want to use a StringBuilder to create a large string.
After instatiation, the MaxCapacity is 2.147.483.647, what is large
enough for my purpose.
During my procedure i get a SystemOutOfMEmoryException at

I have an xml file that is read into an object using serialization. One
of the objects has a string field called delimeter that I want to
contain a carriage return. Instead of trying to include the carriage
return, I used "\r" thinking that when it was read back into the object

I need to get the handle to the windows control that is directly below the
mouse.  This must work on any windows application, win32 and dotnet forms.
The reason is I would like to highlight the window's bounderies if possible,
and change the text in controls that allow it.

i have textboxes with ids  tb1,tb2,tb3...
now i want to set text to these textboxes somehow like
for (i=1;i<5;i++)
("tb"+i).Text = i;