Question

Need a function in C#/vb.net

Asked by: Star79

Hi,

This is the Function i am using for validating dates.

Public Function nullToDate(ByVal val As Object) As DateTime
        Return Convert.ToDateTime(val)
End Function

Input string as follows:   2005-09-01T00:00:00.0000000-04:00

Output:
a)Time zone : Central time   #8/31/2005 11:00:00 PM#  
b)Time zone : Eastern  9/1/2005  
c)Time zone : Pacific time  8/31/2005 9:00:00 PM

The above function gives three different results in three different time zone for the given input string.
I want to write a function which gives just only the date for the above input and in different time zones.

your reply will be highly appreciated
Thanks,
Rithesh

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Asked On
2006-10-19 at 19:20:59ID22031429
Tags

nulltodate

Topic

Microsoft Visual Basic.Net

Participating Experts
3
Points
500
Comments
5

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Answers

 

by: aaronchanPosted on 2006-10-19 at 19:32:32ID: 17771208

You can force your return as String with mm/dd/yyyy format:

Public Function nullToDate(ByVal val As Object) As String
        Return Convert.ToDateTime(val).ToString("MM/dd/yyyy")
End Function

 

by: gangwischPosted on 2006-10-19 at 19:38:21ID: 17771229

Public Function nullToDate(ByVal val As Object) As DateTime
        Return Convert.ToDateTime(val).toshortdatestring
End Function

 

by: Star79Posted on 2006-10-20 at 04:39:55ID: 17772818

The above two does not work. If you read my question carefully , it is changing the date in other zones.

if the input string is 2005-09-01T00:00:00.0000000-04:00

then the output should be  2005-09-01 not what in what time zone you are.

 

by: mohzedanPosted on 2006-10-20 at 07:21:11ID: 17773925

if the input is in that format only then use this

Public function NullToDate(val as object) as datetime
dim ReturnDate as date = now
if isdate(val) then
    returndate = new date(val.substring(0,4),val.substring(5,2),val.substring(8,2))
    return returndate
else
    return now
end if
End Function

 

by: mohzedanPosted on 2006-10-20 at 07:23:24ID: 17773946

or you could
do this

Public Function nullToDate(ByVal val As Object) As DateTime
        Return Convert.ToDateTime(val).ToUniversalTime
End Function

20120131-EE-VQP-002

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