Newbie DateTime woes

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News

Hi

I am using Visual Basic v5 Express (fully up-to-date for Vista), running on
a Vista machine.

I am having a terrible time trying to get to grips with DateTime use in VB.

I have tried countless code snippets as a starting point, but in *all*
cases, the code just bombs.

As an example, I copied the snippet below from a Microsoft page which is
supposed to show an example of 'fixing'
some bad code given in the example prior to it - yet with me, it just plain
doesn't work.

The most common error I get from most of my trials, and with the example
below is:

'Index was outside the bounds of the array'.


Example snippet:

Dim d As DateTime
d = DateTime.Parse("Dec 03, 2003 12:00:00 PM").ToUniversalTime()

I just can't find an example that actually works on my system that allows me
to use a string representation of a Date and Time that I can use in code.

There isn't anything wrong with my system as many other VB programs run just
fine.
 
Hi

I am using Visual Basic v5 Express (fully up-to-date for Vista), running on
a Vista machine.

I am having a terrible time trying to get to grips with DateTime use in VB.

I have tried countless code snippets as a starting point, but in *all*
cases, the code just bombs.

As an example, I copied the snippet below from a Microsoft page which is
supposed to show an example of 'fixing'
some bad code given in the example prior to it - yet with me, it just plain
doesn't work.

The most common error I get from most of my trials, and with the example
below is:

'Index was outside the bounds of the array'.

Example snippet:

Dim d As DateTime
d = DateTime.Parse("Dec 03, 2003 12:00:00 PM").ToUniversalTime()

I just can't find an example that actually works on my system that allows me
to use a string representation of a Date and Time that I can use in code.

There isn't anything wrong with my system as many other VB programs run just
fine.
Click to expand...

That code runs without error for me. Can you show a complete program
which exhibits your problem? Also, are you in a different locale than
The United States? Perhaps that format is not correct for your
locale.

If the locale is not the problem, please post a complete example that
illustrates the problem.

Chris
 
Chris Dunaway said:
That code runs without error for me. Can you show a complete program
which exhibits your problem? Also, are you in a different locale than
The United States? Perhaps that format is not correct for your
locale.

If the locale is not the problem, please post a complete example that
illustrates the problem.

Chris
Click to expand...

Hi Chris

Although I have progressed quite far into my project, there isn't anything
pertinent in it so far - I am just trying to get my head around the DateTime
thing before starting to implement.

My location is the UK. I have the International settings for English (UK)
with dd/MM/yy dd MMMM yyyy H:mm:ss for date time formats.

In VB Options->International Settings I have tried both 'Same as Windows'
and 'English'.


In the meantime, I have had a little progress - I can get the following
snippet to run but the output in aDateString and aTimeString is unexpected.
Instead of day/month/year I get month/day/year? There is nothing I know of
on my system to set the U.S. format for dates! Also, the time is given in
12hour with AM/PM instead of 24hour clock that I need.

Dim aDateString, aTimeString As String
Dim aDate, aTime As Date
aDateString = "17/7/07"
aTimeString = "14:35:47"
' The following line of code sets aDate to a Date value.
aDate = CDate(aDateString)
' The following line of code sets aTime to Date value.
aTime = CDate(aTimeString)

I know this example isn't quite the same as the original example I quoted
(which still won't run), but I'm sort of glad I can get something to
recognize dates/times within VB :)
 
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