I have spent alot of time trying to get a masked text box to validate
e-mails, but with no success. Mainly because I can't figure out how to
account for the wide variety of different e-mail addresses, for
example:

I have a function which converts a calculation into double
dr[i] = Convert.ToDouble (tbl.Rows[0][i], provider) / campCustomers * 100;
The returned value looks like this:
0.0132622796653082877191290300

I have been looking all over the internet on how to learn C# .net.  I have
read a couple of books, lots of forums, and tutorials, but i am still at a
very big loss as far as trying to write my own GUI Windows application.  I
was just wondering how everyone one learns C# so well ...

Does anyone have any sample code where I can transfer list items between two
list boxes.  C# and WinForms.
Thanks

I'm interested in Programming Windows with C# (Core Reference) by
Charles Petzold, but do you think that the new version of C# (along with
 .NET 2.0) will make this book obsolete in any way?

I have a byte array with binary data and I want to get its contants
into a string.
tagContent = System.Text.Encoding.ASCII.GetString(str);
screws binary data.

given
namespace WindowsService1
{
public class Service1 : System.ServiceProcess.ServiceBase.........

Do i have to create an index pallette. How do i do that?. Or, Can i not
just make an ordinary 8pp pixel format without this indexed
problem......

I developed a filewatcher service to monitor file creation on a network
drive - 90% time it works fine and from time to time I found out that the
newly created file on that network drive does not trigger the event - all I
have to do is to restart the service.

I have several tables on SQL Server.  Is possible that instead of
manually creating all these classes (where each table is represented by
a class and each field on the table is represented by a property in the
class), I can run some wizard which create all these

I have a simple windows app.  It consists of 2 forms.  The first is used to
view the contents of a dataset, the second is used to update the dataset and
add/remove items from it.  The problem is, when i add or remove items from
the dataset, it doesn't update the dataset until i ...

When calculating a remainder, R, as a result of X / Y, you wouldn't expect R
to be greater than Y, right? Wrong!
Math.IEEERemainder( double.MaxValue, 1000.0 ) returns 1.99584030953472E+292.
I understand why and how this happens, but the point is that returning a

As the title suggests, I am looking for soemthing which would
essentially give me a nested enum, or perhaps someone can suggest a more
suitable approach to my problem.
I have a DLL which allows the user to select which type of DB they are

vb.net val function
c=val(a$)+val(b$)
thanks

I have a DataView, say myDV, it contain a DataTime field, "Birth".
I want to get the Birth Value from the DataView:
DateTiem dBirth= (DateTime)myDV["Birth"];
But the complier throw an error.