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29 lines
776 B
Plaintext
29 lines
776 B
Plaintext
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' evaluate the number of business days between two dates
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'
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Function BusinessDateDiff(ByVal StartDate As Date, ByVal EndDate As Date, _
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Optional ByVal SaturdayIsHoliday As Boolean = True) As Long
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Dim incr As Date
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' ensure we don't take time part into account
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StartDate = Int(StartDate)
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EndDate = Int(EndDate)
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' incr can be +1 or -1
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If StartDate < EndDate Then incr = 1 Else incr = -1
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Do Until StartDate = EndDate
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' skip to previous or next day
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StartDate = StartDate + incr
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If Weekday(StartDate) <> vbSunday And (Weekday(StartDate) <> vbSaturday _
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Or Not SaturdayIsHoliday) Then
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' if it's a weekday add/subtract one to the result
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BusinessDateDiff = BusinessDateDiff + incr
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End If
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Loop
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' when the loop is exited the function name
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' contains the correct result
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End Function
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