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ASP_Volume2 OLE/ COM/ DCOM/ Active-X #42591

A function to compute for the first day of a given week in a year

Raymond Velasquez
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4.8 · Downloads: 2,341

This function computes for the date of the first day of a given week of a given year.

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Broncode
original-source 
Function getFirstDayOfWorkWeek( _
		WorkWeek, _
		intYear, _
		firstdayofweek _
		 )
	Dim intJan1
	Dim dtFirstWorkWeekDayOfYear
	Dim dtFirstDayOfWorkWeek
	Const vbJanuary = 1
	if (WorkWeek > 52) OR (WorkWeek < 1) then
		getFirstDayOfWorkWeek = ""
		exit Function
	end if
	if intYear<=0 then
		getFirstDayOfWorkWeek = ""
		exit Function
	end if
	
	intJan1 = WeekDay( _
			"01/01/" & intYear, _
			firstdayofweek _
		 )
	dtFirstWorkWeekDayOfYear = _
	 DateAdd( "d", _
	 (-1 * intJan1) + 1, _
	 "01/01/" & intYear _
		 )
				
	dtFirstDayOfWorkWeek = _
		DateAdd( "d", _
			 (WorkWeek-1) * 7, _
			dtFirstWorkWeekDayOfYear _
			)
					
 getFirstDayOfWorkWeek = dtFirstDayOfWorkWeek
End Function
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