I recently got an error and I don't know how to fix it:
Error    1    'System.Data.DataColumn' does not contain a definition for
'Windows'    C:\c#\CsharpPRO\Form1.Designer.cs    304    77    CsharpPRO
I am note sure what to do because all propertiers work, except the

Hello,I have a references list which is part of singletone members.
Another class calls the sigletone.method(refList) and passes a list of
one reference while inside the method (if i print) i see already 2
references in this list.

I want to determinate if  there no symbol in a string?
for example
"12ab34", "123a5bc",  "a123c4" is ok, but "23#45", 2a,35" is not ok.

I have methods which refer to some class enumerator .Should I make it
pulic or encapsulate it?

In my topform i have an imagelist with icons used through the whole
application.(main project + control libs)
Can i make this imagelist global so i do not have to pass the imagelist
object through all class layers used in my app?

Program is witten in C++ and runs on my windows xp computer. It is a
game, but I have been struggling with this project for weeks now so
would appreciate some help - although I understand what i'm trying to
do is quite advanced. I'm doing this more as a learning excercise where

What character encoding is usually used in Textboxes in the .Net Framework?
Regards,
Ferdinand Zaubzer

Has anyone been able to work with lotus notes automation classes???
Can you post sample code of how to use these classes. I have setup in VB but
I am not able to port
to C# This is what I have so far - I cannot create a session and not sure

Hi, i've been trying to investigate how to traverse through an object
instance properties or fields with no success. I have read about
IEnumerable interface but that seems to apply only to collection of
objects. What i want to do actually is to traverse through each

Sorry for my english. This is my problem :
I must create for a great french company a webmethod with 2 "in"
parameters. The first is an object, no problem. The second must be a
"DataHandler".

I have a data grid view that returns values from a sql lookup.
At the bottom of the area that displys the datagridview, I have a label
called rowCount that displays the number of rows returned, but when ther
datagridview returns no values the first line in the datagridview has a ...

Has anyone else noticed that even though you handle an exception that
happens within the background worker that the UnhandledException event
still fires?
For example, here's my ThreadException hookup and code :

I havent done much C# for a while and i have forgotten some elements.
Could you please let me know how to move the focus or cursor from one text
box to another?  I have a button on a form that should direct the focus to a
text box on the form when it is clicked.

I want to get the color of the specified pixel in the screen.
Firstly I get the position of the cursor:
//Get the position of cursor.
Point position = Cursor.Position;

Is there a way to create a form which has no close button?
Thanks.