Application value null

Hi experts!
If system time 12:00 am my application variable value will be
null.. I am trying to get null value of application but that time i'll
make some actions to that page.. So pls tell me how i'll make null

re: Application value null

I'd like to help, but I'm having difficulty understanding what you are
trying to say. Can you post a snippet of your code that shows the problem
you are having?

Thanks,
-Chris

"Sala" <salavudeen.a@gmail.comwrote in message
news:1164430544.827953.203240@45g2000cws.googlegro ups.com...

re: Application value null

If system time 12:00 am my application variable value will beI'm not sure I understand your question, but if you're asking how to set
a DateTime to null, the answer is, you can't, it's a value type.

However, you can use a nullable version of DateTime (if you are using
the latest C# version).

Something like this:

//-----------------------------------------
private DateTime? MyTime()
{
DateTime? now = DateTime.Now;
if ( now.Value.TimeOfDay == new TimeSpan( 0, 0, 0 ) )
now = null;
return now;
}
//-----------------------------------------

By the way, DateTime? is just a syntactic shortcut for:
Nullable<DateTime>

I hope I answered the right question. :)

David

re: Application value null

Another possibility is to use DateTime.MaxValue or DateTime.MinValue.
These are guaranteed to be greather than, or less than, respectively
than any actual datetime value. You could use these as a kind of pseudo
null value. AND it's of type DateTime, of course.


On 2006-11-25 05:50:29 -0600, David Boucherie & Co
<david.boucherie@telenet.besaid:

re: Application value null

Bob Jones <robert@joneshouse.comwrote:Well, they're guaranteed to be greater than or less than any *other*
actual DateTime value - but they're valid DateTime values in
themselves.

--
Jon Skeet - <skeet@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too

re: Application value null

Quit picking nits. You know what I mean. Show me "MinValue" on a clock.

On 2006-11-25 12:33:10 -0600, Jon Skeet [C# MVP] <skeet@pobox.comsaid:

re: Application value null

Bob Jones <robert@joneshouse.comwrote:I could show you January 1st 1AD on a calendar just as easily as I
could show you January 2nd 1AD.

Just beceause you won't see it called MinValue doesn't mean that
they're not "actual" DateTime values.

--
Jon Skeet - <skeet@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too

re: Application value null

On 2006-11-26 01:59:16 -0600, Jon Skeet [C# MVP] <skeet@pobox.comsaid:
Ok, ok. We're violently agreeing here. I quote my previous post:
" AND it's of type DateTime, of course."