vba access - datediff












0















I have 2 textboxes where the user will input a start and finish time. When I use the following code;



    Text88 = DateDiff("n", TEXTStart, TEXTFinish)


The box "Text88" will calculate the time in minutes perfectly. ie 06:00 > 14:00 = 480 minutes. However If I input say, 22:00 > 06:00, instead of equating to 480minutes it will register as -960.



How can I get it so that whatever is in the start box, it has to do up to finish, so when I input a time for 22:00 > 06:00 it will register as 480 minutes?










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    0















    I have 2 textboxes where the user will input a start and finish time. When I use the following code;



        Text88 = DateDiff("n", TEXTStart, TEXTFinish)


    The box "Text88" will calculate the time in minutes perfectly. ie 06:00 > 14:00 = 480 minutes. However If I input say, 22:00 > 06:00, instead of equating to 480minutes it will register as -960.



    How can I get it so that whatever is in the start box, it has to do up to finish, so when I input a time for 22:00 > 06:00 it will register as 480 minutes?










    share|improve this question

























      0












      0








      0








      I have 2 textboxes where the user will input a start and finish time. When I use the following code;



          Text88 = DateDiff("n", TEXTStart, TEXTFinish)


      The box "Text88" will calculate the time in minutes perfectly. ie 06:00 > 14:00 = 480 minutes. However If I input say, 22:00 > 06:00, instead of equating to 480minutes it will register as -960.



      How can I get it so that whatever is in the start box, it has to do up to finish, so when I input a time for 22:00 > 06:00 it will register as 480 minutes?










      share|improve this question














      I have 2 textboxes where the user will input a start and finish time. When I use the following code;



          Text88 = DateDiff("n", TEXTStart, TEXTFinish)


      The box "Text88" will calculate the time in minutes perfectly. ie 06:00 > 14:00 = 480 minutes. However If I input say, 22:00 > 06:00, instead of equating to 480minutes it will register as -960.



      How can I get it so that whatever is in the start box, it has to do up to finish, so when I input a time for 22:00 > 06:00 it will register as 480 minutes?







      vba






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      share|improve this question










      asked Nov 19 '18 at 11:18









      R.LangdellR.Langdell

      477




      477
























          1 Answer
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          1














          You need to control when the user writes a greater time on the first textbox. Because DateDiff expects the second parameter to be a greater date than the first one. So, If is the case, before calculate the DateDiff you should apply a DateAdd to the second Time adding one day to the date. Then, do the DateDiff and the result will be what you expect.



          Something like this:



          If TEXTFinish > TEXTStart Then
          Text88 = DateDiff("n", TEXTStart, TEXTFinish)
          Else
          Text88 = DateDiff("n", TEXTStart, DateAdd("d", 1, TEXTFinish))
          End If





          share|improve this answer
























          • Thank you so much for your help, this works a treat!

            – R.Langdell
            Nov 19 '18 at 11:47











          Your Answer






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          1 Answer
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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          You need to control when the user writes a greater time on the first textbox. Because DateDiff expects the second parameter to be a greater date than the first one. So, If is the case, before calculate the DateDiff you should apply a DateAdd to the second Time adding one day to the date. Then, do the DateDiff and the result will be what you expect.



          Something like this:



          If TEXTFinish > TEXTStart Then
          Text88 = DateDiff("n", TEXTStart, TEXTFinish)
          Else
          Text88 = DateDiff("n", TEXTStart, DateAdd("d", 1, TEXTFinish))
          End If





          share|improve this answer
























          • Thank you so much for your help, this works a treat!

            – R.Langdell
            Nov 19 '18 at 11:47
















          1














          You need to control when the user writes a greater time on the first textbox. Because DateDiff expects the second parameter to be a greater date than the first one. So, If is the case, before calculate the DateDiff you should apply a DateAdd to the second Time adding one day to the date. Then, do the DateDiff and the result will be what you expect.



          Something like this:



          If TEXTFinish > TEXTStart Then
          Text88 = DateDiff("n", TEXTStart, TEXTFinish)
          Else
          Text88 = DateDiff("n", TEXTStart, DateAdd("d", 1, TEXTFinish))
          End If





          share|improve this answer
























          • Thank you so much for your help, this works a treat!

            – R.Langdell
            Nov 19 '18 at 11:47














          1












          1








          1







          You need to control when the user writes a greater time on the first textbox. Because DateDiff expects the second parameter to be a greater date than the first one. So, If is the case, before calculate the DateDiff you should apply a DateAdd to the second Time adding one day to the date. Then, do the DateDiff and the result will be what you expect.



          Something like this:



          If TEXTFinish > TEXTStart Then
          Text88 = DateDiff("n", TEXTStart, TEXTFinish)
          Else
          Text88 = DateDiff("n", TEXTStart, DateAdd("d", 1, TEXTFinish))
          End If





          share|improve this answer













          You need to control when the user writes a greater time on the first textbox. Because DateDiff expects the second parameter to be a greater date than the first one. So, If is the case, before calculate the DateDiff you should apply a DateAdd to the second Time adding one day to the date. Then, do the DateDiff and the result will be what you expect.



          Something like this:



          If TEXTFinish > TEXTStart Then
          Text88 = DateDiff("n", TEXTStart, TEXTFinish)
          Else
          Text88 = DateDiff("n", TEXTStart, DateAdd("d", 1, TEXTFinish))
          End If






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 19 '18 at 11:29









          JortxJortx

          1119




          1119













          • Thank you so much for your help, this works a treat!

            – R.Langdell
            Nov 19 '18 at 11:47



















          • Thank you so much for your help, this works a treat!

            – R.Langdell
            Nov 19 '18 at 11:47

















          Thank you so much for your help, this works a treat!

          – R.Langdell
          Nov 19 '18 at 11:47





          Thank you so much for your help, this works a treat!

          – R.Langdell
          Nov 19 '18 at 11:47


















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