Set Date variable to Nothing

[Andre Beier]

Hi,

I have a date variable that initially contains any date. However, depending
on user actions I want to set the value of the date var to Nothing.

I tried the following:

myDate = Nothing --- deletes the date but I always have 12:00:00 AM in
there
myDate = "" --- compiler error
myDate = 0 ---- compiler error

Thanks in advance

Andre

 

[Chris Dunaway]

Hi,

I have a date variable that initially contains any date. However, depending
on user actions I want to set the value of the date var to Nothing.

I tried the following:

myDate = Nothing --- deletes the date but I always have 12:00:00 AM in
there
myDate = "" --- compiler error
myDate = 0 ---- compiler error

Thanks in advance

Andre

Try something like:

myDate = DateTime.MinValue

 

[Armin Zingler]

Hi,

I have a date variable that initially contains any date. However,
depending on user actions I want to set the value of the date var to
Nothing.

I tried the following:

myDate = Nothing --- deletes the date but I always have 12:00:00 AM
in there
myDate = "" --- compiler error
myDate = 0 ---- compiler error

http://groups.google.com/groups?as_q=WrappedDate&as_ugroup=microsoft.public.dotnet.languages.vb


--
Armin

How to quote and why:
http://www.plig.net/nnq/nquote.html
http://www.netmeister.org/news/learn2quote.html

 

[Herfried K. Wagner [MVP]]

I have a date variable that initially contains any date. However, depending
on user actions I want to set the value of the date var to Nothing.

I tried the following:

myDate = Nothing --- deletes the date but I always have 12:00:00 AM in
there
myDate = "" --- compiler error
myDate = 0 ---- compiler error

You cannot, because 'DateTime' is a value type and value types are not
"nullable". You may want to use the 'SqlDateTime' datatype, writte a
wrapper class around 'DateTime' which has, for example, an 'IsNothing'
property, or wait for .NET 2.0 which allows nullable value types by use
of generics.

 

[Cor Ligthert]

Hi Andre

What is the sense of it, when you want to display a datetime you need almost
forever to use a string format for it.

Cor

 

[Herfried K. Wagner [MVP]]

What is the sense of it, when you want to display a datetime you need almost
forever to use a string format for it.

Mhm... The 'ToString' method could return "" for null dates.