I have a window with a user control on it.  I want to be able to swap
out different user controls depending on a menu choice.  The swappable
user controls  UserControlBaseA and UserControlBaseB are inherited
from UserControlBase.  What I did is I placed UserControlBase on my

I have a DataGridView control and I want to doubleclick a row and get a
single cell value.
Here's a snippet:
private void pATIENTSDataGridView_CellDoubleClick(object sender,

Below is a class that can accessed from multiple threads and I want the class to be thread safe. I have a private timer member whose interval can be changed by different threads. Which is the correct way to define the property below.
Thanks
Kurt
Class1

In .Net 1.1 the default content-transfer-encoding is 7bit, in .Net 2.0 it is
changed to quoted-printable by default. This change breaks some of my
application (don't ask why, the other party could not process
quoted-printable).

When i run this
sp_who
I see the connection showing up and in the next second it is gone.
The connectionstring i have is

I am trying to show a context menu on a right click in some of my
controls. I want to show it at the right location. However it is
getting shown away from the mouse click location. Here is the code:
       private void QueryTreeView_Clicked(object sender, EventArgs

I have some files which I want to install in the special folder
SpecialFolder.CommonApplicationData in my setup project. How I can do
that ? The file system editor from the setup project doesn't have that
folder.

What I did is create a Dataset and then the option "To select
multiple columns was grey"
so forcefully I had to "To select the one that returns a single
value".

As subject says.
Just wondering...
I am in level 4.
Thanks.

I am looking for an example of ...
- HTML or ASP 3 client using AJAX
- ASP.NET 2.0 web page or web service
Web Page or Web Service returns an XML packaged string to the client.

We have a little server application that sends data down to a client application via a TCP/IP socket over port 30006.  These
applications are both written in C#.  They have been working on our site for a couple of years.  Now, we are trying to use these
applications at another site ...

A   new   European   Chemical   Testing    Policy    called
REACH  has  now   been   finalised   by    the   European
Union.  Under  these  proposals   Chemicals    of    every
kind  - from  those used  in  industrial  processes to  the

Hello NG,
in forme times (decades ago :-) I used to definy my own message structs in
Delphi like this :
TGbReportMessage = packed record

I need to be able to exit my program completely no matter what.  I am not
able to do this with any of the following commands:
               this.Close();
               vfData.ActiveForm.Close();

I would like to integrate a barcode scanner into the current project I
am working on.  I have been looking around teh web and with the
exception of embeded devices I cannot find many programming guides.
What I am looking for is a barcode scanner with an api/sdk.  I am not