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Help with calculating time differences

Discussion in 'Visual Basic ( VB )' started by CJW, Nov 20, 2009.

  1. CJW

    CJW New Member

    I'm building a program to calculate the cost of hiring a trip and need to calculate the waiting time.

    How can I do this from the two text boxes where you input the numbers. The two textboxes are:


    I need the difference in minuets, the input is HH : MM

    Please reply quick it's for my A level work and my teacher doesn't know!!!
  2. Cseek

    Cseek New Member

    dim timeOne as variant 'or use date
    dim timeTwo as variant ' or use date
    dim waitedtime as long

    if not yourtextbox.text = "" or not yourtextbox2.text = ""
    timeone = format(yourtextbox.text,"dd/mm/yy hh:nn")
    timetwo = format(yourtextbox2.text,"dd/mm/yy hh:nn")

    waitedtime = datediff("n",timeone,timetwo)

    waitedtime = "you have entered invalid time format text "
    end if

    when ever you are using dates , when your text box lost the focus
    immediately you should cross check the value you entered is in proper date/time format;
    hence better use any calender control or else
    use any function to cross check it.

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