I would like to find out the fastest way to concatenate large (200 or
300MB) and numerous (500 - 700) files (Postscript files) into a single
one (which can ends up being several GigaB) using csharp within a
windows form application.

I'd like to be able to capture barcode scans (ISBNs of books) from a barcode scanner.
I already have a barcode scanner which has a USB interface, and by default the scanner acts like a
second keyboard, putting ISBNs at the text cursor for the application that has focus.
I would ...

How can I test to see if a string parameter is null?
This worked... or at least didn't give a compile error, but the debugger
seemed to show it skipping the assignment statement, and for sure, returnXML
was never set.  (Any help on that bit too?) ERPHostId is a string parameter

i've been trying in the last day to use the WebBrowser in ASP.Net 2.0
so that I could get some MOUSEMOVE event.  Actually, the problem is
that the control doesn't implement the MouseEnter and MouseLeave
events, which I really need.  Anyone could tell me why those are not

my xml is:
<ROOT>
   <FILE NAME="filename">CDATA</FILE>
</ROOT>

Hello Friiends
I am looking for ways to create a multithreaded Windows service in c#
which is actually a IM Bot application. Since multiple user can access
at same time, I want to create seprate thread when user open a chat

Hi, i write a application to search in a tree. each treenode is a unicode
text.
How to compare two unicode string to find extract node i want ?
Regards

I'm exporting a datagrid to an excel file.
I'm using the following source code to export
DataTable dt = new DataTable();
            DataAccess.StoredProcedure sproc = new

Why do these questions always come up on Friday afternoon?
I'm starting to use GoF singleton classes in my projects. Right off the bat,
I've run into a surprise. I thought that a Singleton could be implemented
using a static constructor, using code like this, based on version #4 ...

I'm developing windows application using c#.net (vs 2003),  i've placed
several images (picture boxes) in panel control  and i want to zoom the
panel control so that the images and text which contained in the panel
control has to be zoomed and i want to work on that zoomed portion ...

I have created a Windows Service which uses xml file as a data source.
The service is running on .NET 2.0 and uses LocalSystem account.
It was running fine but now it has started locking the xml file
sometimes. When I stop the service it unlocks the file.The service is

I've looked high and low for this information and haven't found it anywhere.
Is there a way to pass arguments to a stored procedure being used by a
selectcommand. I've seen mention of SelectCommand.Perameter.Add() but that
doesn't seem work.

I have an application that currently uses ado.net to read some files and
populate a datagrid.  The app allows users to search and return values based
on a 'like' parameter in a select statement.
The data files have always been provided to me in MSAccess format and users

Hey guys
When you hook an event (c# 2.0 syntax): myEvent += MyMethodToFire;
You need to also unsubscribe it to avoid a resource leak so that the object
it is in gets garbage collected like so : myEvent -= MyMethodToFire;

I'm creating a MDI application and running into the common problem of
more than one instance of the child form.   I've read several articles
and postings on the Singleton approach, but I can't get it to work.
What I have: