I am new in dot net development.
Can windows dll called by any Web Application ?
if i developing web application, can i just called my existing windows dll ?
hope anyone can post some advice.

I would greatly appreciate if someone can point me to how to get list
of printers installed on the system and also I need to determine which
one is fax.
Thank you very much in advance,

I am trying to insert a record into a database table, one field of which is
a byte array.
Using the below:
Byte[] imgArr;

Anyone here experienced in developing with Envox CT ADE and/or RealSpeak
Telecom?  I have a problem that I am not sure how to solve.
Dialogic JCT/T1 (ISDN) card.
Envox CT ADE 9.1

Is there a way to put the current credentials into a NetworkCredential
instance?
regards
Martin

Hi friends,
I m just stuck with  extracting excel file data into text file.
So can any body please help me out.
thx,

I had a strang problam ,when i use StreamWriter to append to a file,i
found that if i don't close the
StreamReader it couldn't write the data into file,the code as folllow
that:

I only have this situation at one of my client's site.
I install the webservice setup prog. Usually, i may access the asmx
file from an IE browser.
Not this time.

I want to show a progress dialog for long working tasks. The task should
be canceled too. Inspired by the article of Chris Sells "Safe, Simple
Multithreading in Windows Forms, Part 2" I've worked on.
I want to use this progress dialog from any long working task. So I

In my codes:
=======================================
  myConn.Open();
  SqlTransaction MyTrans= myConn.BeginTransaction();

We have a system that is written in Framework 1.0 and runs under Framework
1.0. It uses the CLR Workstation to load the application. Framework 1.0
would require us to write unmanaged code to launch the application under CLR
Server.

I am not clear about the difference between the SqlCommand's ExecuteReader
and ExecuteNonQuery.
Would somebody show me an example to demonstrate the difference?
Thanks for help.

I have a base class that is inherited often, and I am struggeling to
chose the correct access modifiers.
What I am trying to do is to force all inherited classes to have a
function of the same name as one of the functions in base class (like

I want to send webrquest throguh anonymous proxy.
Can anyone tell me how to validate ip address and port number of
anonynmous proxy server.
Is it using TctpClient class ?

         I am trying to write a regular expresssion which validates
against the URL and the textfield has 'http://' prefilled. I either
want a valid URL or just leave the 'http://'  as it is. I figured an
expression for URL which is --- "http(s)?://([\w-]+\.)+[\w-]+(/[\w-