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DateDiff Fucntion

Hi,

The following code retrive number of days passed between two date.

dateDiff("d",rst("date1"),rst("date2"))

How can I retrieve; suppose the days passed between two date retrive 400 days then I want to display like as following format:

1 year 1 month 5 days

Could anyone help me to do it?

ayha1999
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ayha1999
Asked:
ayha1999
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2 Solutions
 
Lee W, MVPTechnology and Business Process AdvisorCommented:
I'd probably do something like this:

If datediff("y",rst("date1"), rst("date2")) > 0 Then
   If datediff("y",rst("date1"), rst("date2")) > 1 Then
      sOutput = CStr(datediff("y",rst("date1"), rst("date2"))) & " years "
   Else
      sOutput = CStr(datediff("y",rst("date1"), rst("date2"))) & " year "
   End IF
End IF
If datediff("m",rst("date1"), rst("date2")) > 0 Then
       sOutput = sOutput & CStr(datediff("m",rst("date1"), rst("date2"))) & " months "
   Else
      sOutput = CStr(datediff("m",rst("date1"), rst("date2"))) & " month "
   End IF
End If
If datediff("d",rst("date1"), rst("date2")) > 0 Then
       sOutput = sOutput & CStr(datediff("d",rst("date1"), rst("date2"))) & " days"
   Else
      sOutput = CStr(datediff("d",rst("date1"), rst("date2"))) & " day"
   End IF
End If

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Lee W, MVPTechnology and Business Process AdvisorCommented:
Oops, I made a mistake - the "Else ..." sOutput lines for the days and months wouldn't work right - here's the corrected version:

If datediff("y",rst("date1"), rst("date2")) > 0 Then
   If datediff("y",rst("date1"), rst("date2")) > 1 Then
      sOutput = CStr(datediff("y",rst("date1"), rst("date2"))) & " years "
   Else
      sOutput = CStr(datediff("y",rst("date1"), rst("date2"))) & " year "
   End IF
End IF
If datediff("m",rst("date1"), rst("date2")) > 0 Then
       sOutput = sOutput & CStr(datediff("m",rst("date1"), rst("date2"))) & " months "
   Else
      sOutput = sOutput & CStr(datediff("m",rst("date1"), rst("date2"))) & " month "
   End IF
End If
If datediff("d",rst("date1"), rst("date2")) > 0 Then
       sOutput = sOutput & CStr(datediff("d",rst("date1"), rst("date2"))) & " days"
   Else
      sOutput = sOutput & CStr(datediff("d",rst("date1"), rst("date2"))) & " day"
   End IF
End If


Incidentally, the resulting string would be in the format you requested.  Note: you could probably turn this into a function to reuse it easier later.
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ayha1999Author Commented:
I tried but I get the following error;

Error Type:
Microsoft VBScript compilation (0x800A0400)
Expected statement
/test/AdvRepResult.asp, line 114
End If

could u pls. check the synatax. some 'ifs' are there without 'end ifs'

ayha
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fritz_the_blankCommented:
I wrote some code to show that difference between a given date and Now()--with a little modification, it might work for you:

function timeDifference(datDate)
     intDays = DateDiff("d",Now(), datDate)
     if intDays >0 then
          if Hour(datDate) > Hour(Now()) then
               datDate = DateAdd("h",- intDays*24, datDate)
          else
               intDays = intDays -1
               datDate = DateAdd("h",-intDays*24, datDate)
          end if
     end if
     intHours = DateDiff("h",Now(),datDate)
     if intHours >0 then
          if Minute(datDate) > Minute(Now()) then
               datDate = DateAdd("n",- intHours*60, datDate)
          else
               intHours = intHours -1
               datDate = DateAdd("n",- intHours*60, datDate)
          end if
     end if
     intMinutes = DateDiff("n",Now(),datDate)

     if intMinutes >0 then
          if Second(datDate) > Second(Now()) then
               datDate = DateAdd("s",- intMinutes*60, datDate)
          else
               intMinutes = intMinutes -1
               datDate = DateAdd("s",- intMinutes*60, datDate)
          end if
     end if
     intSeconds = DateDiff("s",Now(),datDate)

     timeDifference = " Days: " & intDays &  " Hours: " & intHours & " Minutes: " &  intMinutes  & " Seconds: " & intSeconds
end function
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Lee W, MVPTechnology and Business Process AdvisorCommented:
If datediff("y",rst("date1"), rst("date2")) > 0 Then
   If datediff("y",rst("date1"), rst("date2")) > 1 Then
      sOutput = CStr(datediff("y",rst("date1"), rst("date2"))) & " years "
   Else
      sOutput = CStr(datediff("y",rst("date1"), rst("date2"))) & " year "
   End IF
End IF
If datediff("m",rst("date1"), rst("date2")) > 0 Then
   if datediff("m",rst("date1"), rst("date2")) = 1 Then
       sOutput = sOutput & CStr(datediff("m",rst("date1"), rst("date2"))) & " month "
   Else
      sOutput = sOutput & CStr(datediff("m",rst("date1"), rst("date2"))) & " months "
   End IF
End If
If datediff("d",rst("date1"), rst("date2")) > 0 Then
   If datediff("d", rst("date1"), rst("date2")) = 1 Then
       sOutput = sOutput & CStr(datediff("d",rst("date1"), rst("date2"))) & " day"
   Else
      sOutput = sOutput & CStr(datediff("d",rst("date1"), rst("date2"))) & " days"
   End IF
End If



Sorry about that - try the above.  (My server's down at the moment and I can't test things out, but I think I straightened out the bugs).
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ayha1999Author Commented:
@ leew,

I tried your latest code but it gives wrong result;

e.g. I have two date as follows;

5/9/2004  - 5/29/2004 and the result is;

20 years 20 days

could u pls check what's wrong.

@ FTB,

I have not checked ur post so far,I will chekc it later and get back to u.

ayha
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Sorry about that - debugged it in Visual Basic - SHOULD work with ASP:

    StartDate = rst("date1")
    EndDate = rst("date2")
    If DateDiff("yyyy", StartDate, EndDate) > 0 Then
       If DateDiff("yyyy", StartDate, EndDate) > 1 Then
          sOutput = CStr(DateDiff("yyyy", StartDate, EndDate)) & " years "
       Else
          sOutput = CStr(DateDiff("yyyy", StartDate, EndDate)) & " year "
       End If
    End If
   
    NewDate = DateAdd("yyyy", DateDiff("yyyy", StartDate, EndDate), StartDate)
    If DateDiff("m", NewDate, EndDate) > 0 Then
       If DateDiff("m", NewDate, EndDate) = 1 Then
            sOutput = sOutput & CStr(DateDiff("m", NewDate, EndDate)) & " month "
       Else
            sOutput = sOutput & CStr(DateDiff("m", NewDate, EndDate)) & " months "
       End If
    End If
    NewDate = DateAdd("m", DateDiff("m", StartDate, EndDate), StartDate)
    If DateDiff("d", NewDate, EndDate) > 0 Then
       If DateDiff("d", NewDate, EndDate) = 1 Then
           sOutput = sOutput & CStr(DateDiff("d", NewDate, EndDate)) & " day"
       Else
          sOutput = sOutput & CStr(DateDiff("d", NewDate, EndDate)) & " days"
       End If
    End If
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ayha1999Author Commented:
@ leew,

I tried ur latest  but see the result;

I have the following dates;

5/9/2004    5/29/2004

the result is
4 years 5 months 3 days20 days

pls check it?

ayha
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Lee W, MVPTechnology and Business Process AdvisorCommented:
I should have my server systems running by the end of the weekend.  I'll check it then and let you know.
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ThogekCommented:
> 4 years 5 months 3 days20 days

The trailing 20 days part seems correct... and it looks tacked onto the end of another value... so just to check... make sure you're not calling leew's code multiple times in the same page and concatenating the results...
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ayha1999Author Commented:
thanks for all
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fritz_the_blankCommented:
Glad to have helped,

FtB
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