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Adjust time of datetime

Posted on 2012-12-24
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Last Modified: 2012-12-24
Hello all,

I'm running a report at X time every Y hours.  Each time the report runs my vb.net windows form application calculates the next run time and stores that datetime.  I anticipated some drift of time where the report will get progressively later in the day so I kept the original "base time" as a field in the database for this record.  I'm trying to figure out a way to measure if the next run time is more than a minute past the "base time" and if so force the next run time back to the base time.  Aircode:

If nextRunTIme(hh:mm) - BaseTime(hh:mm) > 1 then
       NetRunTime = correct NextRunTime Date but BaseTime Hours:Minutes
End If

In other words:

If NextRunTime (12/24/2012 9:05 PM) - BaseTIme(9/12/2012 9:00 PM) > 1 Then
        NextRunTime = 12/24/2012 9:00 PM
End If

Take the date from NextRunTime but the TIME from BaseTime?

Thanks
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Question by:zipnotic
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Accepted Solution

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käµfm³d   👽 earned 820 total points
ID: 38719532
Try:

If (nextRunTime.TimeOfDay - baseTime.TimeOfDay).TotalMinutes > 1 Then
    nextRunTime = nextRunTime.Date.Add(baseTime.TimeOfDay)
End If

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Author Closing Comment

by:zipnotic
ID: 38719535
Perfect! You made it easy
Thank You
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