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"Error Source: CalcNoWeekDays" & vbCrLf & _ "Error Number: " & Err.Number & vbCrLf & _ MsgBox "The following error has occurred" & vbCrLf & vbCrLf & _ If iDayOfWeek vbSunday And iDayOfWeek vbSaturday Then #MS ACCESS WEEK NUMBER HOW TO#Another Student Review: 5 Stars - Brilliant piece of work Thanks Bruce for making these lectures. In this Microsoft Access tutorial, Im going to show you how to display the week number of the year (1-53) in your queries, forms, reports, and VBA code. Myrons courses, starting with Excel To Access: Intro to Access for Excel Users, one will be ecstatic with the results. ' ' Input Variables: ' ~~~~~~~~~~~~~~~~ ' dtFirstDate The first of 2 dates to count the number of weekdays between ' dtLastDate The second of 2 dates to count the number of weekdays between ' ' Usage Example: ' ~~~~~~~~~~~~~~~~ ' CalcNoWeekDays(#,#) =23 ' ' Revision History: ' Rev Date(yyyy/mm/dd) Description ' ************************************************************************************** ' 1 2010-Jul-09 Initial Release '- Function CalcNoWeekDays(dtFirstDate As Date, dtLastDate As Date) As Integer On Error GoTo Error_Handlerĭim dtDay As Date 'Ensure that the dates provided are in the proper order If dtFirstDate > dtLastDate ThenĬalcNoWeekDays = 0 'Initialize our weekday counter variable For dtDay = dtFirstDate To dtLastDate Trust me, when it comes to learning MS Access from the ground up through Mr. I even tried the optional field in the datepart function, but that. I used the DatePart function, but that is considering a week to be from Sunday to Saturday. ![]() It may not be sold/resold or reposted on other sites (links ' back to this site are allowed). Hi there, Is there a way to calculate the week number in MS Access - calculation to be done with Monday as the first day of the week. ' Website : ' Purpose : Count the number of weekdays between two specified dates ' Copyright : The following may be altered and reused as you wish so long as the ' copyright notice is left unchanged (including Author, Website and ' Copyright). #MS ACCESS WEEK NUMBER MOD#Humm, I can easily tell which weekday or day of month my field contains, but how do I go from knowing that to actually counting back the number of weeks, given that week 1 starts January the 4th?Īgain, the Access web version has no Cint, MOD nor '%' operator, no DatePart or standard Format conversion.'- ' Procedure : CalcNoWeekDays ' Author : CARDA Consultants Inc. Int(Weekday(10112011 2)) //returns integer 6, the correct ISO weekday for January the 1st 2011 I cannot make use of the code in this formula, so I'll try to write it in web expression language: Just to finish the application, I will try to hard code this function specifically for the year 2011. The rest of the formula makes adjustments so it ignores the first week of the years that start on Friday, Saturday,.This caculates the whole number of weeks from the Testdate to Jan 1. So this returns the day of the week for Jan 1. WEEKDAY(DATE(YEAR(StartDate),1,1)) Weekday is a function taht return a nuber 1 to 7 where Sunday is 1, Monday isĢ, and Saturday = 7.DATE(YEAR(StartDate),1,1) thsi is january 1st of the year you are trying to computer the workweek.(WEEKDAY(TestDate)=WEEKDAY(((DATE(YEAR(StartDate),1,1)+ ((StartDayOfWeek-WEEKDAY((DATE(YEAR(StartDate),1,1)+ (BaseDayOfWeek-WEEKDAY(DATE(YEAR(StartDate),1,1))%7))+ Weeknumber: Int(((TestDate-((DATE(YEAR(StartDate),1,1)+ You can use the % operator to get modular results. ![]() #MS ACCESS WEEK NUMBER SOFTWARE#To do this in software you would do the following :ġ5 - (7 * int(15/7)) The INT() function keeps only the integer portion of the divisionĢ0 - (7 * int(20/7)) The INT() function keeps only the integer portion of the division So if you did 15/7 = 2 + 1/7 where the 1 is the the modular results Lets say you want to get Mod(15,7) which is 1. The divisor for a week is 7 (seven day in a week). WSMod = Number - Divisor * Int(Number / Divisor) ![]() ' produces the same result as the Excel MOD worksheet function, ' formulas and the VBA code, we use this WSMod function, which #MS ACCESS WEEK NUMBER SERIAL NUMBER#Januis serial number 39448 because it is 39,448 days after January 1, 1900. #MS ACCESS WEEK NUMBER SERIAL NUMBERS#Remark Excel stores dates as sequential serial numbers so they can be used in calculations. ' work differently and can return different results under A number that determines on which day the week begins. ' The Excel worksheet function MOD and the VBA Mod operator Chip has on his webpage this function below Private Function WSMod(Number As Double, Divisor As Double) As Double ![]()
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